2000
DOI: 10.1159/000029134
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Segmentation of Behavior and Time Structure of Movements in Depressed Patients

Abstract: Psychomotor alterations are fundamental psychopathological features of major depression and observable components of behavior. Human behavior is segmented into action units with a duration of a few seconds. Cognitive and emotional dysfunctions in depression may affect the time structure of movements. Therefore, upper limb movements (total n = 707) of depressed patients and matched healtyh controls were studied using videotaped interviews and frame-by-frame analysis with an accuracy of 40 ms. Both groups displa… Show more

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Cited by 13 publications
(4 citation statements)
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“…ruminations), which reduce the amount of attention allocated to information processing by loading working memory (Koster, De Lissnyder, Derakshan & De Raedt, 2011;Watkins & Brown, 2002). Rammsayer (1990) also suggested that the impaired timing in depressed patients results from a slowdown in the speed of their internal clock, associated with a general loss of energy and slowed motor and cognitive activity (Lemke, Koethe & Schleidt, 2000). The slowing of the internal clock system could reflect a dysfunction in the dopaminergic activity of the frontostriatal loops subtending duration processing (see e.g.…”
Section: Subjective Experience Of Time's Passage and Affective Disordersmentioning
confidence: 99%
“…ruminations), which reduce the amount of attention allocated to information processing by loading working memory (Koster, De Lissnyder, Derakshan & De Raedt, 2011;Watkins & Brown, 2002). Rammsayer (1990) also suggested that the impaired timing in depressed patients results from a slowdown in the speed of their internal clock, associated with a general loss of energy and slowed motor and cognitive activity (Lemke, Koethe & Schleidt, 2000). The slowing of the internal clock system could reflect a dysfunction in the dopaminergic activity of the frontostriatal loops subtending duration processing (see e.g.…”
Section: Subjective Experience Of Time's Passage and Affective Disordersmentioning
confidence: 99%
“…Lemke ve arkadaşları, hareket hızının azalmasıyla zaman algısında bozulmanın orantılı olduğunu saptamışlardır. [107] Gil ve Droit-Volet'in çalışmasında katılımcılara 400 ila 1600 milisaniye sinyal süresi arasında kategorize ettikleri zamansal ayırd etme görevi verilmiş ve yüksek depresyon skoru kısa sinyal süresi ile ilişkili olarak bulunmuştur. [108] Çalışmada depresif bireylerde biyolojik saatte yavaşlama olduğu ve bunun depresyonun derecesiyle ilişkili olduğu saptanmıştır.…”
Section: Depresyon Ve Zaman Algısında Bozulmalarunclassified
“…Die bislang durchgeführten Untersuchungen zur Motilität bei Patienten mit depressiven Störungen variieren bezüglich der verwendeten Instrumente, der analysierten Aktivitätsparameter und der untersuchten Klientel [6]. Bewegungen der oberen Extremitäten wiesen bei depressiven Patienten qualitative [7] und quantitative Veränderungen [8] im Vergleich zu gesunden Kontrollpersonen auf. Gestik und Lokomotion sind die beiden hauptsächlichen Komponenten der motorischen Gesamtaktivität.…”
Section: Psychomotorik Lokomotion Und Gangunclassified