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Motor Stereotypies (motor + stereotypy)

Distribution by Scientific Domains

Medical Sciences	100%

Selected Abstracts

Motor stereotypies in children with autism and other developmental disorders

DEVELOPMENTAL MEDICINE & CHILD NEUROLOGY, Issue 1 2009
SYLVIE GOLDMAN PHD
The purpose of the study was to count and characterize the range of stereotypies , repetitive rhythmical, apparently purposeless movements , in developmentally impaired children with and without autism, and to determine whether some types are more prevalent and diagnostically useful in children with autism. We described each motor stereotypy recorded during 15 minutes of archived videos of standardized play sessions in 277 children (209 males, 68 females; mean age 4y 6mo [SD 1y 5mo], range 2y 11mo,8y 1mo), 129 with autistic disorder (DSM-III-R), and 148 cognitively-matched non-autistic developmentally disordered (NADD) comparison children divided into developmental language disorder and non-autism, low IQ (NALIQ) sub-groups. The parts of the body involved and characteristics of all stereotypies were scored blind to diagnosis. More children with autism had stereotypies than the NADD comparison children. Autism and, to a lesser degree, nonverbal IQ (NVIQ) <80, especially in females contributed independently to the occurrence, number, and variety of stereotypies, with non-autistic children without cognitive impairment having the least number of stereotypies and children with autism and low NVIQ the most. Autism contributed independently to gait and hand/finger stereotypies and NVIQ <80 to head/trunk stereotypies. Atypical gazing at fingers and objects was rare but virtually limited to autism. Stereotypies are environmentally modulated movement disorders, some highly suggestive, but not pathognomonic, of autism. Their underlying brain basis and genetic correlates need investigation. [source]

The clinical spectrum of stereotypies in frontotemporal lobar degeneration,

MOVEMENT DISORDERS, Issue 8 2009
Farrah J. Mateen MD
Abstract We clinically assessed patients meeting international criteria for frontotemporal lobar degeneration (FTLD) for the presence and characteristics of stereotypies. Of 32 subjects with FTLD (50% women), 19 (60%) had stereotypies. The majority of patients with stereotypies were female (68%). The median age of symptom onset suggestive of FTLD was 58 years (range: 37,74), with a mean time to stereotypy onset of 2.1 years. In all cases, the stereotypies were simple. There were no differences in the age of FTLD onset, functional imaging results, neuropsychological test scores or frequency of mood disorders or psychoses between those with and without stereotypical movements. However, compulsive behavior was noted more often in those with stereotypies (58% vs. 15%, P = 0.02). Of the 19 patients with stereotypies, three had vocal stereotypies, and three had both vocal and motor stereotypies. Of the 16 subjects with motor stereotypies, 9(56%) were appendicular and 7 (44%) were craniocervical. © 2009 Movement Disorder Society [source]

Adult-onset tic disorder, motor stereotypies, and behavioural disturbance associated with antibasal ganglia antibodies

MOVEMENT DISORDERS, Issue 10 2004
Mark J. Edwards MBBS
Abstract The onset of tics in adulthood is rare and, unlike the childhood variety, there is commonly a secondary environmental cause. We present four cases (1 man, 3 women) with an adult onset tic disorder (mean age of onset, 36 years; range, 27,42 years) associated with the presence of serum antibasal ganglia antibodies (ABGA). One patient had motor tics and unusual motor stereotypies, 2 had multiple motor and vocal tics, and the remaining patient had motor tics only. Concomitant psychiatric disturbance was noted in 3 cases. In 2 cases, there was a close temporal relationship between upper respiratory tract infection and the subsequent onset of tics. Imaging was possible in three cases and was normal in two but revealed a lesion involving the right caudate and lentiform nuclei in the other. We suggest that there might be a causal relationship between ABGA and the clinical syndrome in these cases and that ABGA should be considered as a possible etiology for adult-onset tics. © 2004 Movement Disorder Society [source]