Gaze perception

1. We look through the mind and we gaze within awareness…becoming aware of awareness is the path of gazing (whether eyes or open or closed)…we can gaze into awareness and we are immediately the field, the field of being. If we look and look for awareness with our mind only blankness arises, a blank state. Sunyata, primordial knowingness is not blankness, it is not blanking out. As we become aware of awareness we enter the gaze, we become the place of the gaze…this gazing from within awareness opens the multidimensionalness….the different dimensions of the field manifest within the gaze, within us. The gaze is both within us and beyond us. Within the gaze, there is neither simple inside nor simple outside. The gaze is place...a vast place beyond inside and outside.

This paper analyzes J. Halberstam’s interpretation of the transgender gaze as it applies to the character portrayal of Brandon Teena in the film Boys Don’t Cry. An oppositional approach examines the idea of a cisgender gaze that compromises the subjectivity of not only the character of Brandon but extending to dismissiveness towards trans identity as a whole. Dissecting the reveal scene from the film highlights Halberstam’s process of the transgender gaze and allows for a focus on cisgender interpretation and demands that illustrate cisnormative expectations on trans bodies and behaviors. Connecting these demands is the concept of abjection as described by feminist-philosopher Julia Kristeva, and how this liminal placement further erodes Brandon’s subjectivity in the eyes of a cisgender audience.

1. We look through the mind and we gaze within awareness…becoming aware of awareness is the path of gazing (whether eyes or open or closed)…we can gaze into awareness and we are immediately the field, the field of being. If we look and look for awareness with our mind only blankness arises, a blank state. Sunyata, primordial knowingness is not blankness, it is not blanking out. As we become aware of awareness we enter the gaze, we become the place of the gaze…this gazing from within awareness opens the multidimensionalness….the different dimensions of the field manifest within the gaze, within us. The gaze is both within us and beyond us. Within the gaze, there is neither simple inside nor simple outside. The gaze is place...a vast place beyond inside and outside.

The Renaissance Gaze Shift in portraiture and socio-economics of 15th century Europe, shifted aesthetics from profile to direct gaze and wealth from the nobility to the merchant class. Yet, its true revolutionary, democratizing effect was the celebration of a new portrait subject: the “common” individual. This paper demonstrates the evolution in portraiture from Florentine profile portrait (adopted from the revered Greco-Roman profile) to Flemish ¾ averted gaze portrait trend and ultimately head-on stare. Embodying the humanistic concept of “self-fashioning” as put forth in Baldassare Castiglione’s Il Cortigiano, this dynamic hallmark effect is anachronistically shared with today’s digital self-portraits. Pisanello’s profile medallions, Leonardo da Vinci’s Portrait of Ginevra de’ Benci and contemporary digital media imagery illustrate the aesthetic and social shift, arriving at the “selfie” as rooted in the Renaissance Gaze, the visual ancestor which asserted modernity, identity, newfound wealth and power, while directly confronting artist/viewer/self and presciently forecasting the future.

The lucidity of awareness is experienced directly through the doorway of our subjectivity as our own innermost awareness. As we gaze into our own interiority we can experience the unfolding of the manifestation of this field of radiance and this lucidity of awareness. The invisible field of luminous knowingness becomes experientially visible. Lucidity of Phenomena Experientially visible means seeing the flashes of light, sensing light, experiencing the presence of the radiance within us and beyond us. Experiencing the presence of the radiance means feeling the luminous experience of the light and the energy of the light in everything and anything, in anyone and everyone. As we experience the visibility of luminous knowingness within us as us, we are empowered to experience the manifestation of the lucidity within the appearance of all phenomena. Lucidity is not only within us but within all phenomena, all appearance has lucidity and all appearance is lucidity. All phenomena are the manifestation of primordial radiance. When we are experiencing the radiance of phenomenon, our inner light is meeting the outer light, and thus there is only one indivisible light. In truth there is only primordial luminous radiance that is manifesting our mind, our body and our innermost awareness, as well as the infinitely vast universal context of phenomena that we are placed within in time and in space. Our capacity to experience the radiance of the field of awareness within our own embodied subjectivity opens for us the ability to gaze into the subjectivity of all phenomena. By gazing into our own subjectivity there arises this intersubjective gaze that is direct and inside to inside. This intersubjective gaze allows us to experience the luminous openness of all phenomena and context. This intersubjective gaze opens the innermost openness of all phenomena. Subjectivity is the openness of our being to Being itself within all beings.

As robots are increasingly deployed in settings requiring social interaction, research is needed to examine the social signals perceived by humans when robots display certain social cues. In this paper, we report a study designed to examine how humans interpret social cues exhibited by robots. We first provide a brief overview of perspectives from social cognition in humans and how these processes are applicable to human-robot interaction (HRI). We then discuss the need to examine the relationship between social cues and signals as a function of the degree to which a robot is perceived as a socially present agent. We describe an experiment in which social cues were manipulated on an iRobot Ava™ Mobile Robotics Platform in a hallway navigation scenario. Cues associated with the robot’s proxemic behavior were found to significantly affect participant perceptions of the robot’s social presence and emotional state while cues associated with the robot’s gaze behavior were not found to be significant. Further, regardless of the proxemic behavior, participants attributed more social presence and emotional states to the robot over repeated interactions than when they first interacted with it. Generally, these results indicate the importance for HRI research to consider how social cues expressed by a robot can differentially affect perceptions of the robot’s mental states and intentions. The discussion focuses on implications for the design of robotic systems and future directions for research on the relationship between social cues and signals.

In the modern digital age, there has been established a new public sphere. Whereas in the past only magazines, newspapers and TV stations spread photographs, film clips or pictures, nowadays everyone is able to do so. On internet platforms like YouTube or twitter, oppositional coalitions, war parties or terror organisations are able to published photographs and clips and therefore create a counter propaganda. As today nearly everyone can take photographs or films with his/her smartphone and edit the material afterwards at the notebook or PC, it is more important than ever to realise that photographs probably never tell the whole story or even the truth. This point should be clarified in the following essay using primarily the texts of Price 2009 and Lutz/Collins 2003 as sources.

Twenty pairs of photographs were made of adults looking 258 to the left and 258 to the right while attempting to face forwards. The eye regions of each photograph were concealed. Twenty adults attempted to sort each pair into left-looking and right-looking pictures. They were successful 65% of the time, p 5 0X001. This suggests models have difficulty looking to one side without a perceptible head turn or comparable facial cue. This previously unrecognised phenomenon has implications for research on detection of gaze.

In a social setting, seeing Sally look at a clock means something different to seeing her gaze longingly at a slice of chocolate cake. In both cases, her eyes and face might be turned rightwards, but the information conveyed is markedly different depending on the object of her gaze. Numerous studies have examined brain systems underlying the perception of gaze direction, but less is known about the neural basis of perceiving gaze shifts to specific objects. During functional magnetic resonance imaging, participants observed an actor look towards one of two objects, each occupying a distinct location. Video stimuli were sequenced to obtain repetition suppression (RS) for object-identity, independent of spatial location. In a control condition, a spotlight highlighted one of the objects, but no actor was present. Observation of the human actor’s gaze compared to the spotlight engaged frontal, parietal and temporal cortices, consistent with a broad action observation network. RS for gazed-object in the human condition was found in posterior intraparietal sulcus (pIPS). RS for highlighted-object in the spotlight condition was found in middle occipital, inferior temporal, medial fusiform gyri and superior parietal lobule. These results suggest that human pIPS is specifically sensitive to the type object that an observed actor looks at (tool vs. food), irrespective of the observed actor’s gaze location (left vs. right). A general attention or lower-level object-feature processing mechanism cannot account for the findings because a very different response pattern was seen in the spotlight control condition. Our results suggest that in addition to spatial orienting, human pIPS has an important role in object-centred social orienting.

In order to elucidate the development of how infants use eye gaze as a referential cue, we investigated theta and alpha oscillations in response to object-directed and object-averted eye gaze in infants aged 2, 4, 5, and 9months. At 2months of age, no difference between conditions was found. In 4- and 9-month-olds, alpha-band activity desynchronized more in response to faces looking at objects compared to faces looking away from objects. Theta activity in 5-month-old infants differed between conditions with more theta synchronization for object-averted eye gaze. Whereas alpha desynchronization might reflect mechanisms of early social object learning, theta is proposed to imply activity in the executive attention network. The interplay between alpha and theta activity represents developmental changes in both kinds of processes during early infancy.

Observing averted gaze results in a reflexive shift of attention to the gazed-at location. In two experiments, participants scoring high and low on the Autism-Spectrum Quotient questionnaire (AQ; observed arrow and gaze cues to investigate cueing effect magnitude as a function of the context in which peripheral targets could appear. While identical cueing effects were found with gaze and arrow cues, the more striking results concerned target stimuli. In Experiment 1, targets could appear on a peripheral face, or on scrambled face parts. Overall, greater cueing effects were found when the target appeared on a face. However, this face bias was only observed in participants with low AQ scores, whereas high AQ scorers oriented more to scrambled features. Experiment 2 found equal cueing to targets appearing on tools, as compared with tool parts. However, individual differences were again observed, where low AQ scorers showed larger cueing towards tools, while high scorers oriented more to scrambled parts, as in Experiment 1. These results support the idea that low AQ individuals orient strongly to objects attended by others. However, since the same results were found for arrow cues, this effect may generalize to all central cues to attention. High AQ scorers possessing many more autistic-like traits tended to orient more to scrambled shapes, perhaps reflecting a bias for orienting to local details.

When we see someone change their direction of gaze, we spontaneously follow their eyes because we expect people to look at interesting objects. Bayliss and Tipper (2006) examined the consequences of observing this expectancy being either confirmed or violated by faces producing reliable or unreliable gaze cues. Participants viewed different faces that would consistently look at the target, or consistently look away from the target: The faces that consistently looked towards targets were subsequently chosen as being more trustworthy than the faces that consistently looked away from targets. The current work demonstrates that these gaze contingency effects are only detected when faces create a positive social context by smiling, but not in the negative context when all the faces held angry or neutral expressions. These data suggest that implicit processing of the reward contingencies associated with gaze cues relies on a positive emotional expression to maintain expectations of a favourable outcome of joint attention episodes.

A person's cultural background as well as their gaze direction have been identified as relevant factors that influence the behavioural and neural processing of emotional expressions. However, research on their combined influence is sparse. Here, we manipulated the cultural background and gaze direction of emotionencoders to investigate the interaction of both factors during the neural processing of emotions. Stimuli consisted of short video sequences showing faces that displayed either direct or averted gaze, expressed either anger or happiness, and represented either cultural in-group (European faces) or cultural out-group members (Asian faces). While undergoing functional magnetic resonance imaging, a group of German participants rated the stimuli with respect to their valence. Results revealed that when anger was expressed with direct gaze, more activation was found in the Electronic supplementary material The online version of this article (dorsomedial and dorsolateral prefrontal cortices in response to cultural out-group compared to in-group members. However, when anger was expressed with averted gaze, activity increased in the amygdala and the striatum in response to cultural ingroup compared to out-group members. With respect to happiness, enhanced neural activation in medial and lateral prefrontal cortical areas was associated with the processing of cultural in-group compared to out-group members expressing happiness with direct gaze. These findings indicate a complex interplay between culture, gaze direction and the valence of emotions.

Robots are increasingly being introduced into task environments that require the ability to exhibit appropriate social functionality. The present study is an examination of how social cues conveyed by a robot, during a brief interaction, affect the perception of the robot as a socially present agent. Participants were exposed to one of three gaze conditions and two proxemic behavioral programs during a number of experimental trials involving path-crossing in a hallway setting. Results indicated that participants perceived the robot as more socially present when it exhibited a passive proxemic behavior and more socially present over time; though, findings varied at the sub-scale level. Design recommendations are presented for roboticists.

Infants gradually learn to share attention, but it is unknown how they acquire skills such as gaze-following. Deák and Triesch (2006) suggest that gaze-following could be acquired if infants learn that adults’ gaze direction is likely to be aligned with interesting sights. This hypothesis stipulates that adults tend to look at things that infants find interesting, and that infants could learn by noticing this tendency. We tested the plausibility of this hypothesis through video-based micro-behavioral analysis of naturalistic parent–infant play. The results revealed that 3- to 11-month-old infants strongly preferred watching caregivers handle objects. In addition, when caregivers looked away from their infant they tended to look at their own object-handling. Finally, when infants looked toward the caregiver while she was looking at her own hands, the infant’s next eye movement was often toward the caregiver’s object-handling. In this way infants receive adequate naturalistic input to learn associations between their parent’s gaze direction and the locations of interesting sights.

When we observe someone shift their gaze to a peripheral event or object, a corresponding shift in our own attention often follows. This social orienting response, joint attention, has been studied in the laboratory using the gaze cueing paradigm. Here, we investigate the combined influence of the emotional content displayed in two critical components of a joint attention episode: The facial expression of the cue face, and the affective nature of the to-be-localized target object. Hence, we presented participants with happy and disgusted faces as cueing stimuli, and neutral (Experiment 1), pleasant and unpleasant (Experiment 2) pictures as target stimuli. The findings demonstrate an effect of ‘emotional context’ confined to participants viewing pleasant pictures. Specifically, gaze cueing was boosted when the emotion of the gazing face (i.e., happy) matched that of the targets (pleasant). Demonstrating modulation by emotional context highlights the vital flexibility that a successful joint attention system requires in order to assist our navigation of the social world.

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Infants gradually learn to share attention, but it is unknown how they acquire skills such as gaze-following. Deák and Triesch (2006) suggest that gaze-following could be acquired if infants learn that adults' gaze direction is likely to be aligned with interesting sights. This hypothesis stipulates that adults tend to look at things that infants find interesting, and that infants could learn by noticing this tendency. We tested the plausibility of this hypothesis through video-based micro-behavioral analysis of naturalistic parent-infant play. The results revealed that 3-to 11-month-old infants strongly preferred watching caregivers handle objects. In addition, when caregivers looked away from their infant they tended to look at their own object-handling. Finally, when infants looked toward the caregiver while she was looking at her own hands, the infant's next eye movement was often toward the caregiver's object-handling. In this way infants receive adequate naturalistic input to learn associations between their parent's gaze direction and the locations of interesting sights. Research highlights • Infants strongly prefer watching their parents manipulate objects over watching either their parents' face, or static objects, during naturalistic face-to-face play. • Parents playing with infants focus on infants' faces and use object movement to attract infants' attention. • Infants occasionally see their parent looking toward what she is holding; infants then tend to look in that direction. The consequent reward (i.e. seeing objecthandling) could serve as input for infants to learn to follow others' gaze.

A briefly presented peripheral flash is often mislocalized with a bias toward an attended object. The target mislocalization has been ascribed to the in- tegration of location signals between a target and an attended object, and this results in the mislocalization of the target toward the attended object. It was unclear whether external objects that attract observer’s attention were necessary to cause the target mislocalization. This study aimed at examining whether the target mislocalization occurred when the shift of observers’ at- tention was induced by gaze cueing, in which observer’s attention is shifted in the direction of other’s gaze. This cueing paradigm requires no external object to attract attention, thus it enabled us to directly examine the neces- sity of external objects in the target mislocalization. Stimuli consisted of a pictorial face, a target, and a probe. First, the pictorial face was presented, and its gaze was shifted so as to look at either upper-right or upper-left. The target was successively presented for 50 msec. After a temporal interval of 0 or 2000 msec was inserted as a retention interval, the probe was presented below the target. The observers’ task was to judge whether the target had appeared at the left or right side of the probe location. The target was signi- ficantly mislocalized in the direction of gaze shift only when the retention interval was 2000 msec. Moreover, reaction time for detecting a target was shorter at the gazed than non-gazed location. These results suggest that the mislocalization does not require external objects attracting attention. Neural signals of target location are possibly averaged with the attention-induced local change in neural signals, and this results in the target mislocalization toward the gazed location.

Two paradigms have shown that people automatically compute what or where another person is looking at. In the visual perspective-taking paradigm, participants judge how many objects they see; whereas, in the gaze cueing paradigm, participants identify a target. Unlike in the former task, in the latter task, the influence of what or where the other person is looking at is only observed when the other person is presented alone before the task-relevant objects. We show that this discrepancy across the two paradigms is not due to differences in visual settings (Experiment 1) or available time to extract the directional information (Experiment 2), but that it is caused by how attention is deployed in response to task instructions (Experiment 3). Thus, the mere presence of another person in the field of view is not sufficient to compute where/what that person is looking at, which qualifies the claimed automaticity of such computations.

Commercially available eye tracking solutions are designed to monitor one person at a time. Increasing interest in the interpersonal functions of gaze in social neuroscience has brought up the question of how to analyse gaze behaviour in ongoing social interactions and how to create gaze-contingent social stimuli [6]. In the current paper we present the implementation of a dual eye tracking system which allows to simultaneously measure two participants, engaged in gaze-based interactions while providing full experimental real time control over the behavioural data.

When we see someone change their direction of gaze, we spontaneously follow their eyes because we expect people to look at interesting objects. Bayliss and Tipper (2006) examined the consequences of observing this expectancy being either confirmed or violated by faces producing reliable or unreliable gaze cues. Participants viewed different faces that would consistently look at the target, or consistently look away from the target: The faces that consistently looked towards targets were subsequently chosen as being more trustworthy than the faces that consistently looked away from targets. The current work demonstrates that these gaze contingency effects are only detected when faces create a positive social context by smiling, but not in the negative context when all the faces held angry or neutral expressions. These data suggest that implicit processing of the reward contingencies associated with gaze cues relies on a positive emotional expression to maintain expectations of a favourable outcome of joint attention episodes.

Purpose: The aim of the study was to examine if gaze and emotional expression, both highly self-relevant social signals, affect the recollection accuracy of perceived faces in patients with mesial temporal lobe epilepsy (MTLE). Methods: Forty patients with MTLE (twenty-one without surgery and nineteen after anterior temporal lobectomy) as well as twenty healthy controls (HC) took part in the study. We used a set of 64 facial stimuli: 32 neutral and 32 emotional displays (16 fearful; 16 angry) from well-established affective stimuli databases. Half of the faces in each condition had eyes directed straight and half — away from the observer. Participants performed a gender identification task, and then, after a 45-minute delay were asked to identify the previously seen stimuli, presented among a new set of photos. Results: Increased automatic learning of angry and fearful compared to neutral expressions was found in HC. There was no emotional enhancement of memory in MTLE but an increa...

There is ample evidence that human primates strive for social contact and experience interactions with conspecifics as intrinsically rewarding. Focusing on gaze behavior as a crucial means of human interaction, this study employed a unique combination of neuroimaging, eye-tracking, and computer-animated virtual agents to assess the neural mechanisms underlying this component of behavior. In the interaction task, participants believed that during each interaction the agent’s gaze behavior could either be controlled by another participant or by a computer program. Their task was to indicate whether they experienced a given interaction as an interaction with another human participant or the computer program based on the agent’s reaction. Unbeknownst to them, the agent was always controlled by a computer to enable a systematic manipulation of gaze reactions by varying the degree to which the agent engaged in joint attention. This allowed creating a tool to distinguish neural activity un...

There is ample evidence that human primates strive for social contact and experience interactions with conspecifics as intrinsically rewarding. Focusing on gaze behavior as a crucial means of human interaction, this study employed a unique combination of neuroimaging, eye-tracking, and computer-animated virtual agents to assess the neural mechanisms underlying this component of behavior. In the interaction task, participants believed that during each interaction the agent’s gaze behavior could either be controlled by another participant or by a computer program. Their task was to indicate whether they experienced a given interaction as an interaction with another human participant or the computer program based on the agent’s reaction. Unbeknownst to them, the agent was always controlled by a computer to enable a systematic manipulation of gaze reactions by varying the degree to which the agent engaged in joint attention. This allowed creating a tool to distinguish neural activity un...

Commercially available eye tracking solutions are designed to monitor one person at a time. Increasing interest in the interpersonal functions of gaze in social neuroscience has brought up the question of how to analyse gaze behaviour in ongoing social interactions and how to create gaze-contingent social stimuli [6]. In the current paper we present the implementation of a dual eye tracking system which allows to simultaneously measure two participants, engaged in gaze-based interactions while providing full experimental real time control over the behavioural data.

This paper evaluates Husserl's and Merleau-Ponty's phenomenological notion of pairing in light of a representative variety of findings and views in contemporary developmental psychology. This notion belongs to the direct social perception framework, which suggests that the fundamental access to other minds is intuitive, or perceptual. Pairing entails that the perception of other minds relies merely on first-person embodied experience and domain-general processes. For this reason, pairing is opposed to cognitive nativist views that assume specialized mechanisms for low-level mental state attribu-tion, while it is compatible with acknowledging innate affective tendencies. I criticize cognitive nativism for being based on ambiguous evidence. I argue that in early social interactions infants experience sufficient self-other similarities to ground the most primitive perception of others as minded beings. I show that pairing can account for the ontogenetically earliest perceptions of others' actions and emotions, as well as for the earliest perception of others' perceptions.

Attention sharing provides an important context for infant learning, but it is not fully understood how infants respond to parents' isolated or combined actions to shift from nonsharing to attention-sharing states. To investigate this, we recorded unscripted toy-play interactions of infants (3 to 11 months old, N = 35) and mothers at home, and coded attention-related behaviors. These included infants' and mothers' visual fixations, and mothers' attention-directing actions including gaze shifts, pointing gestures, object manipulations, verbalizations, and object sounds. In addition, dyadic attention was continuously classified into one of seven states of shared or nonshared attention. Results showed that mothers usually produced a combination of attention-directing cues within the 7 sec. before infants shifted their attention to match the mother's focus. Mothers' cue combinations usually included object manipulation and either a gaze shift or a verbalization. Infants seldom looked at mothers' faces and followed a very small proportion of isolated gaze shifts or pointing gestures. However, infants frequently shifted attention to watch mothers manipulate objects. The results indicate that during toy play, combinations of maternal attention-specifying actions selectively elicit infants' attention following.

During social interactions, people's eyes convey a wealth of information about their direction of attention and their emotional and mental states. This review aims to provide a comprehensive overview of past and current research into the perception of gaze behavior and its effect on the observer. This encompasses the perception of gaze direction and its influence on perception of the other person, as well as gaze-following behavior such as joint attention, in infant, adult, and clinical populations. Particular focus is given to the gaze-cueing paradigm that has been used to investigate the mechanisms of joint attention. The contribution of this paradigm has been significant and will likely continue to advance knowledge across diverse fields within psychology and neuroscience.

When someone observes another individual suddenly shifting gaze, the observer's attention automatically and rapidly orients to the same location. Such gaze cuing of attention has properties similar to those of exogenous cuing. We investigated whether gaze cuing is also like exogenous cuing in that it is observed for both spatial and object-/head-centered frames of reference. That is, when the face that produces the gaze cue is presented on its side, tilted 90º from upright, will attention be simultaneously directed to where the eyes would have been looking if the face had been presented upright and toward the actual spatial direction of gaze? It is demonstrated that gaze cues do indeed orient attention in both spatial and object-centered frames, that these effects are of similar magnitude, and that such orienting is relatively rapidly computed.

There is ample evidence that human primates strive for social contact and experience interactions with conspecifics as intrinsically rewarding. Focusing on gaze behavior as a crucial means of human interaction, this study employed a unique combination of neuroimaging, eye-tracking, and computer-animated virtual agents to assess the neural mechanisms underlying this component of behavior. In the interaction task, participants believed that during each interaction the agent"s gaze behavior could either be controlled by another participant or by a computer program. Their task was to indicate whether they experienced a given interaction as an interaction with another human participant or the computer program based on the agent"s reaction. Unbeknownst to them, the agent was always controlled by a computer to enable a systematic manipulation of gaze reactions by varying the degree to which the agent engaged in joint attention. This allowed creating a tool to distinguish neural activity underlying the subjective experience of being in engaged in social and non-social interaction. In contrast to previous research, this allows measuring neural activity while participants experience active engagement in real-time social interactions. Results demonstrate that gaze-based interactions with a perceived human partner are associated with activity in the ventral striatum, a core component of reward-related neurocircuitry. In contrast, interactions with a computer-driven agent activate attention networks. Comparisons of neural activity during interaction with behaviorally naïve and explicitly cooperative partners demonstrate different temporal dynamics of the reward system and indicate that the mere experience of engagement in social interaction is sufficient to recruit this system.

Although following another person's gaze is essential in fluent social interactions, the reflexive nature of this gaze-cuing effect means that gaze can be used to deceive. In a gaze-cuing procedure, participants were presented with several faces that looked to the left or right. Some faces always looked to the target (predictive-valid), some never looked to the target (predictive-invalid), and others looked toward and away from the target in equal proportions (nonpredictive). The standard gaze-cuing effects appeared to be unaffected by these contingencies. Nevertheless, participants tended to choose the predictive-valid faces as appearing more trustworthy than the predictive-invalid faces. This effect was negatively related to scores on a scale assessing autistic-like traits. Further, we present tentative evidence that the "deceptive" faces were encoded more strongly in memory than the "cooperative" faces. These data demonstrate the important interactions amo...