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{{Short description|Language disorder characterized by involuntary repetition}} |
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'''Palilalia''' (from the [[Greek language|Greek]] πάλιν (''pálin'') meaning "again" and λαλιά (''laliá'') meaning "speech" or "to talk"),<ref name="McDonald"/> a complex [[tic]], is a [[language disorder]] characterized by the involuntary repetition of syllables, words, or phrases. |
'''Palilalia''' (from the [[Greek language|Greek]] πάλιν (''pálin'') meaning "again" and λαλιά (''laliá'') meaning "speech" or "to talk"),<ref name="McDonald"/> a complex [[tic]], is a [[language disorder]] characterized by the involuntary repetition of syllables, words, or phrases. It has features resembling other complex tics such as [[echolalia]] or [[coprolalia]], but, unlike other [[aphasia]]s, palilalia is based upon contextually correct speech.<ref name="Maassen">{{cite book|vauthors=Maassen B, Kent R, Peters H|title=Speech motor control: In normal and disordered speech |date=16 August 2007 |publisher=Oxford University Press|isbn=978-0-19-852627-8|pages=342–345|display-authors=etal}}</ref> |
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It was originally described by [[Alexandre-Achille Souques]] in a patient with stroke that resulted in left-side hemiplegia,<ref name="Kozlowski" /> although a condition described as '''auto- |
It was originally described by [[Alexandre-Achille Souques]] in a patient with a stroke that resulted in left-side hemiplegia,<ref name="Kozlowski" /> although a condition described as '''auto-echolalia''' in 1899 by [[Édouard Brissaud]] may have been the same condition.<ref name="McDonald" /> |
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== Classification== |
== Classification == |
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Palilalia is considered an [[aphasia]], a disorder of language, and is not to be confused with [[speech disorder]]s, as there is no difficulty in the formation of internal speech.<ref name = "McDonald">{{cite journal |author=Critchley M |title=On palilalia |journal=J Neurol Psychopathol |volume=8 |issue=29 |pages=23–32 |date=July 1927 |pmid=21611242 |pmc=1068500 |doi=10.1136/jnnp.s1-8.29.23}}</ref> Palilalia is similar to speech disorders such as [[stuttering]] or [[cluttering]], as it tends to |
Palilalia is considered an [[aphasia]], a disorder of language, and is not to be confused with [[speech disorder]]s, as there is no difficulty in the formation of internal speech.<ref name = "McDonald">{{cite journal |author=Critchley M |title=On palilalia |journal=J Neurol Psychopathol |volume=8 |issue=29 |pages=23–32 |date=July 1927 |pmid=21611242 |pmc=1068500 |doi=10.1136/jnnp.s1-8.29.23}}</ref> Palilalia is similar to speech disorders such as [[stuttering]] or [[cluttering]], as it tends to express itself only in spontaneous speech, such as answering basic questions, and not in automatic speech such as reading or singing; however, it distinctively affects words and phrases rather than syllables and sounds.<ref name = "McDonald"/> |
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Palilalia may occur in conditions affecting the [[ |
Palilalia may occur in conditions affecting the [[prefrontal cortex]] or [[basal ganglia]] regions, either from physical trauma, [[Neurodegenerative disease|neurodegenerative disorders]], [[genetic disorder]]s, or a loss of [[dopamine]] in these brain regions.<ref name="Tetnowski">{{cite journal |vauthors=Van Borsel J, Tetnowski JA |title=Fluency disorders in genetic syndromes |journal=J Fluency Disord |volume=32 |issue=4 |pages=279–96 |year=2007 |pmid=17963937 |doi=10.1016/j.jfludis.2007.07.002}}</ref> Palilalia occurs most commonly in [[Tourette syndrome]] and may be present in neurodegenerative disorders like [[Alzheimer's disease]] and [[progressive supranuclear palsy]].<ref name = "Tetnowski"/><ref name="Borsel">{{cite journal |vauthors=Van Borsel J, Bontinck C, Coryn M, Paemeleire F, Vandemaele P |title=Acoustic features of palilalia: a case study |journal=Brain and Language |volume=101 |issue=1 |pages=90–6 |date=April 2007 |pmid=16890278 |doi=10.1016/j.bandl.2006.06.118 |s2cid=12985510 }}</ref> |
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==Characteristics== |
==Characteristics== |
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Palilalia is defined as the repetition of the speaker's words or phrases, often for a varying number of repeats. Repeated units are generally whole sections of words and are larger than a syllable, with words being repeated the most often, followed by phrases, and then syllables or sounds.<ref name = "Maassen"/><ref name="Kozlowski">{{cite book|author=Mantie-Kozlowski A|title=Repetitive verbal behaviors in free conversation with a person with progressive multifocal leukoencephalopathy |year=2008 |
Palilalia is defined as the repetition of the speaker's words or phrases, often for a varying number of repeats. Repeated units are generally whole sections of words and are larger than a syllable, with words being repeated the most often, followed by phrases, and then syllables or sounds.<ref name = "Maassen"/><ref name="Kozlowski">{{cite book|author=Mantie-Kozlowski A|title=Repetitive verbal behaviors in free conversation with a person with progressive multifocal leukoencephalopathy |year=2008|isbn=978-0-549-62729-6|pages=5, 8}}</ref> Palilalic repetitions are often spoken with decreasing volume and speed up over time.<ref name="Benson" >{{cite book|vauthors=Benson DF, Ardila A |title=Aphasia: a clinical perspective|url=https://archive.org/details/aphasiaclinicalp0000bens|url-access=registration |access-date=19 November 2012|year=1996|publisher=Oxford University Press|isbn=978-0-19-508934-9|pages=[https://archive.org/details/aphasiaclinicalp0000bens/page/291 291]}}</ref> |
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A 2007 case study by Van Borsel ''et al.'' examined the acoustic features in palilalia.<ref name = "Borsel" /> AB, a 60-year-old male was diagnosed with idiopathic [[Parkinson's disease]] and had noticed changes in gait, posture, writing, and speech.<ref name = "Borsel"/> Observation of his perceptual speech characteristics and Frenchay Dysarthria Assessment results suggested AB suffered from hypokinetic [[dysarthria]] with a marked palilalia. It was determined to start speech therapy with passive (metronome) and active (pacing boards) pacing techniques to reduce the number of palilalic repetitions. |
A 2007 case study by Van Borsel ''et al.'' examined the acoustic features in palilalia.<ref name = "Borsel" /> AB, a 60-year-old male was diagnosed with idiopathic [[Parkinson's disease]] and had noticed changes in gait, posture, writing, and speech.<ref name = "Borsel"/> Observation of his perceptual speech characteristics and Frenchay Dysarthria Assessment results suggested AB suffered from hypokinetic [[dysarthria]] with a marked palilalia. It was determined to start speech therapy with passive (metronome) and active (pacing boards) pacing techniques to reduce the number of palilalic repetitions. However, AB was not able to enunciate despite extensive training.<ref name = "Borsel"/> |
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Analysis of AB's speech therapy showed that his repetitions lasted from 1 minute 33 seconds to 2 minutes 28 seconds, ranging from 1 to 32 repetitions on some words, |
Analysis of AB's speech therapy showed that his repetitions lasted from 1 minute 33 seconds to 2 minutes 28 seconds, ranging from 1 to 32 repetitions on some words, and differed from trial to trial. Pauses were present between each repetition, ranging from 0.1 to 0.7 seconds. Van Borsel ''et al.'' concluded that AB's palilalic repetitions followed no pattern: the duration of each repetition train did not decrease over time, the number of repetitions per train did not increase, and the duration of each individual word did not decrease in duration. Such results indicated not all palilalic repetitions show an increasing rate with decreasing volume, and defied the two distinct subtypes of palilalia as suggested by Sterling.<ref name = "Sterling">{{Cite journal |author=Sterling W |year=1924 |title=Palilalie et le symptome 'linguosalivaire' dans le Parkinsonisme encéphalitique |journal=Revue Neurologique |volume=32 |pages=205–20 |language= fr}}</ref> Sterling's type A, sometimes called ''palilalie spasmodique'', is characterized by fast repetitions and decreasing volume, while Sterling's type B, sometimes called ''palilalie atonique'', is characterized by repetitions at a constant rate with interspersed periods of silence.<ref name = "Butterworth">{{cite journal |vauthors=Benke T, Butterworth B |title=Palilalia and repetitive speech: two case studies |journal=Brain and Language |volume=78 |issue=1 |pages=62–81 |date=July 2001 |pmid=11412016 |doi=10.1006/brln.2000.2445 |s2cid=24682567 }}</ref> AB showed neither a systematic increase (Sterling's type A) or a constant duration (Sterling's type B) and instead fell between the two. |
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Palilalia has been theorized to occur in writing and sign language.<ref name = "Borsel"/><ref name = "Tyrone">{{cite journal |vauthors=Tyrone ME, Woll B |title=Palilalia in sign language |journal=Neurology |volume=70 |issue=2 |pages=155–6 |date=January 2008 |pmid=18180445 |doi=10.1212/01.wnl.0000279378.09844.89 }}</ref> A case study by Tyrone and Moll examined a 79-year-old right-handed deaf man named PSP who showed anomalies in his signing.<ref name = "Tyrone"/> PSP had learned [[British |
Palilalia has been theorized to occur in writing and sign language.<ref name = "Borsel"/><ref name = "Tyrone">{{cite journal |vauthors=Tyrone ME, Woll B |title=Palilalia in sign language |journal=Neurology |volume=70 |issue=2 |pages=155–6 |date=January 2008 |pmid=18180445 |doi=10.1212/01.wnl.0000279378.09844.89 |s2cid=8262087 }}</ref> A case study by Tyrone and Moll examined a 79-year-old right-handed deaf man named PSP who showed anomalies in his signing.<ref name = "Tyrone"/> PSP had learned [[British Sign Language]] (BSL) at the age of seven and had developed left-sided weakness and [[dysphagia]] at age 77. PSP showed involuntary movements and repetitions in his signing.<ref name = "Tyrone"/> Tyrone and Moll reported his movements were palilalic in nature, as entire signs were repeated and the repetitional movements became smaller and smaller in amplitude.<ref name = "Tyrone"/> |
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==Causes== |
==Causes== |
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| ⚫ | Palilalia also occurs in a variety of neurological disorders, occurring most commonly in Tourette syndrome, Alzheimer's disease, and progressive supranuclear palsy.<ref name = "Borsel"/> Such degradation can occur in the [[substantia nigra]] where decreased dopamine production results in a loss of function.<ref name="Tetnowski"/> It can also occur in a variety of genetic disorders including [[fragile X syndrome]], [[Prader–Willi syndrome]], and [[Autism spectrum|autism]].<ref name = "Tetnowski"/> |
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| ⚫ | Palilalia also occurs in a variety of |
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==Diagnosis== |
==Diagnosis== |
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Palilalia must be differentiated from other complex [[tic |
Palilalia must be differentiated from other complex [[tic disorder]]s (such as echolalia), stuttering,<ref name="Lundgren">{{cite journal |vauthors=Lundgren K, Helm-Estabrooks N, Klein R |title=Stuttering Following Acquired Brain Damage: A Review of the Literature |journal=J Neurolinguistics |volume=23 |issue=5 |pages=447–454 |date=September 2010 |pmid=20628582 |pmc=2901556 |doi=10.1016/j.jneuroling.2009.08.008 }}</ref> and [[logoclonia]]. In contrast to stuttering or logoclonia, palilalic repetitions tend to consist of complete sections of words or phrases,<ref name="Borsel" /> are often repeated many times,<ref name = "Blanken">Blanken G, Pittman J, Grimm H, Marshall J, Wallesh C.-W. (Eds.), "Repetitive phenomena in aphasia" in ''Linguistic disorders and pathologies. An international handbook'', Waltger de Gruyter, Berlin/New York (1993), pp. 225–238</ref> and the speaker has no difficulty initiating speech.<ref name="McDonald"/> |
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== References == |
== References == |
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{{Topics related to Tourette syndrome}} |
{{Topics related to Tourette syndrome}} |
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{{Authority control}} |
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<!--Category: please alphabeticize--> |
<!--Category: please alphabeticize--> |
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[[Category:Language disorders]] |
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[[Category:Tourette syndrome]] |
[[Category:Tourette syndrome]] |
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[[Category:Parkinson's disease]] |
[[Category:Parkinson's disease]] |
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Latest revision as of 07:56, 29 April 2024
Palilalia (from the Greek πάλιν (pálin) meaning "again" and λαλιά (laliá) meaning "speech" or "to talk"),[1] a complex tic, is a language disorder characterized by the involuntary repetition of syllables, words, or phrases. It has features resembling other complex tics such as echolalia or coprolalia, but, unlike other aphasias, palilalia is based upon contextually correct speech.[2]
It was originally described by Alexandre-Achille Souques in a patient with a stroke that resulted in left-side hemiplegia,[3] although a condition described as auto-echolalia in 1899 by Édouard Brissaud may have been the same condition.[1]
Classification
[edit]Palilalia is considered an aphasia, a disorder of language, and is not to be confused with speech disorders, as there is no difficulty in the formation of internal speech.[1] Palilalia is similar to speech disorders such as stuttering or cluttering, as it tends to express itself only in spontaneous speech, such as answering basic questions, and not in automatic speech such as reading or singing; however, it distinctively affects words and phrases rather than syllables and sounds.[1]
Palilalia may occur in conditions affecting the prefrontal cortex or basal ganglia regions, either from physical trauma, neurodegenerative disorders, genetic disorders, or a loss of dopamine in these brain regions.[4] Palilalia occurs most commonly in Tourette syndrome and may be present in neurodegenerative disorders like Alzheimer's disease and progressive supranuclear palsy.[4][5]
Characteristics
[edit]Palilalia is defined as the repetition of the speaker's words or phrases, often for a varying number of repeats. Repeated units are generally whole sections of words and are larger than a syllable, with words being repeated the most often, followed by phrases, and then syllables or sounds.[2][3] Palilalic repetitions are often spoken with decreasing volume and speed up over time.[6]
A 2007 case study by Van Borsel et al. examined the acoustic features in palilalia.[5] AB, a 60-year-old male was diagnosed with idiopathic Parkinson's disease and had noticed changes in gait, posture, writing, and speech.[5] Observation of his perceptual speech characteristics and Frenchay Dysarthria Assessment results suggested AB suffered from hypokinetic dysarthria with a marked palilalia. It was determined to start speech therapy with passive (metronome) and active (pacing boards) pacing techniques to reduce the number of palilalic repetitions. However, AB was not able to enunciate despite extensive training.[5]
Analysis of AB's speech therapy showed that his repetitions lasted from 1 minute 33 seconds to 2 minutes 28 seconds, ranging from 1 to 32 repetitions on some words, and differed from trial to trial. Pauses were present between each repetition, ranging from 0.1 to 0.7 seconds. Van Borsel et al. concluded that AB's palilalic repetitions followed no pattern: the duration of each repetition train did not decrease over time, the number of repetitions per train did not increase, and the duration of each individual word did not decrease in duration. Such results indicated not all palilalic repetitions show an increasing rate with decreasing volume, and defied the two distinct subtypes of palilalia as suggested by Sterling.[7] Sterling's type A, sometimes called palilalie spasmodique, is characterized by fast repetitions and decreasing volume, while Sterling's type B, sometimes called palilalie atonique, is characterized by repetitions at a constant rate with interspersed periods of silence.[8] AB showed neither a systematic increase (Sterling's type A) or a constant duration (Sterling's type B) and instead fell between the two.
Palilalia has been theorized to occur in writing and sign language.[5][9] A case study by Tyrone and Moll examined a 79-year-old right-handed deaf man named PSP who showed anomalies in his signing.[9] PSP had learned British Sign Language (BSL) at the age of seven and had developed left-sided weakness and dysphagia at age 77. PSP showed involuntary movements and repetitions in his signing.[9] Tyrone and Moll reported his movements were palilalic in nature, as entire signs were repeated and the repetitional movements became smaller and smaller in amplitude.[9]
Causes
[edit]Palilalia also occurs in a variety of neurological disorders, occurring most commonly in Tourette syndrome, Alzheimer's disease, and progressive supranuclear palsy.[5] Such degradation can occur in the substantia nigra where decreased dopamine production results in a loss of function.[4] It can also occur in a variety of genetic disorders including fragile X syndrome, Prader–Willi syndrome, and autism.[4]
Diagnosis
[edit]Palilalia must be differentiated from other complex tic disorders (such as echolalia), stuttering,[10] and logoclonia. In contrast to stuttering or logoclonia, palilalic repetitions tend to consist of complete sections of words or phrases,[5] are often repeated many times,[11] and the speaker has no difficulty initiating speech.[1]
References
[edit]- ^ a b c d e Critchley M (July 1927). "On palilalia". J Neurol Psychopathol. 8 (29): 23–32. doi:10.1136/jnnp.s1-8.29.23. PMC 1068500. PMID 21611242.
- ^ a b Maassen B, Kent R, Peters H, et al. (16 August 2007). Speech motor control: In normal and disordered speech. Oxford University Press. pp. 342–345. ISBN 978-0-19-852627-8.
- ^ a b Mantie-Kozlowski A (2008). Repetitive verbal behaviors in free conversation with a person with progressive multifocal leukoencephalopathy. pp. 5, 8. ISBN 978-0-549-62729-6.
- ^ a b c d Van Borsel J, Tetnowski JA (2007). "Fluency disorders in genetic syndromes". J Fluency Disord. 32 (4): 279–96. doi:10.1016/j.jfludis.2007.07.002. PMID 17963937.
- ^ a b c d e f g Van Borsel J, Bontinck C, Coryn M, Paemeleire F, Vandemaele P (April 2007). "Acoustic features of palilalia: a case study". Brain and Language. 101 (1): 90–6. doi:10.1016/j.bandl.2006.06.118. PMID 16890278. S2CID 12985510.
- ^ Benson DF, Ardila A (1996). Aphasia: a clinical perspective. Oxford University Press. pp. 291. ISBN 978-0-19-508934-9. Retrieved 19 November 2012.
- ^ Sterling W (1924). "Palilalie et le symptome 'linguosalivaire' dans le Parkinsonisme encéphalitique". Revue Neurologique (in French). 32: 205–20.
- ^ Benke T, Butterworth B (July 2001). "Palilalia and repetitive speech: two case studies". Brain and Language. 78 (1): 62–81. doi:10.1006/brln.2000.2445. PMID 11412016. S2CID 24682567.
- ^ a b c d Tyrone ME, Woll B (January 2008). "Palilalia in sign language". Neurology. 70 (2): 155–6. doi:10.1212/01.wnl.0000279378.09844.89. PMID 18180445. S2CID 8262087.
- ^ Lundgren K, Helm-Estabrooks N, Klein R (September 2010). "Stuttering Following Acquired Brain Damage: A Review of the Literature". J Neurolinguistics. 23 (5): 447–454. doi:10.1016/j.jneuroling.2009.08.008. PMC 2901556. PMID 20628582.
- ^ Blanken G, Pittman J, Grimm H, Marshall J, Wallesh C.-W. (Eds.), "Repetitive phenomena in aphasia" in Linguistic disorders and pathologies. An international handbook, Waltger de Gruyter, Berlin/New York (1993), pp. 225–238