Motor control, habits, complex motor stereotypies, and Tourette syndrome

Research output: Contribution to journalArticle

Abstract

Tourette syndrome (TS) and primary complex motor stereotypies (CMS) are two relatively common, distinctly different movement disorders of childhood. Despite their frequency, the precise underlying pathophysiological mechanism(s) for tics and stereotypies remains unknown. Both are likely to involve cortical-striatal-thalamo-cortical (CSTC) pathways or their interconnecting brain regions. In recent studies, distinct, separate cortical-striatal pathways have been identified for goal-directed and habitual behavioral activity with important influences from structures, such as the hippocampus, amygdala, dorsolateral prefrontal cortex, cerebellum, ventral tegmental area, and substantia nigra pars compacta. Determining the specific site of abnormality within these circuits remains an active area of research. At the synaptic level, numerous neurotransmitters are involved in the transmission of messages through CSTC pathways, and many have been proposed as potential pathophysiological mechanisms. Which, if any, transmitter is the primary pathological factor in TS and primary CMS remains to be definitively determined.

Original languageEnglish (US)
Pages (from-to)22-31
Number of pages10
JournalAnnals of the New York Academy of Sciences
Volume1304
Issue number1
DOIs
StatePublished - Nov 2013

Fingerprint

Corpus Striatum
Tourette Syndrome
Habits
Neurotransmitter Agents
Tics
Transmitters
Brain
Ventral Tegmental Area
Movement Disorders
Amygdala
Prefrontal Cortex
Cerebellum
Networks (circuits)
Hippocampus
Research
Habit
Pathway
Syndrome
Motor Control

Keywords

  • Habits
  • Motor control
  • Motor stereotypies
  • Tics
  • Tourette

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • History and Philosophy of Science

Cite this

Motor control, habits, complex motor stereotypies, and Tourette syndrome. / Singer, Harvey.

In: Annals of the New York Academy of Sciences, Vol. 1304, No. 1, 11.2013, p. 22-31.

Research output: Contribution to journalArticle

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