Results 41 to 50 of about 74 (70)
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Stereotypy in monkeys and humans
Psychological Medicine, 1982SynopsisStereotyped movements are described in monkeys and humans and are classified as arising from constraint, sensory deprivation in infancy, amphetamine treatment or psychotic states. It is argued that, with the exception of cage stereotypies, stereotyped behaviour is evidence of abnormality in the nervous system consequent upon distorted ...
R M, Ridley, H F, Baker
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Functional (psychogenic) stereotypies
Journal of Neurology, 2017Functional (psychogenic) movement disorders (FMDs) may present with a broad spectrum of phenomenology including stereotypic movements. We aimed to characterize the phenomenology of functional stereotypies and compare these features with those observed in 65 patients with tardive dyskinesia (TD). From a cohort of 184 patients with FMDs, we identified 19
José Fidel, Baizabal-Carvallo +1 more
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Research in Developmental Disabilities, 1992
The phenomena of the induction and entrainment of adjunctive behaviours was investigated in eight people with severe or profound mental retardation who exhibited stereotypic behaviours. The occurrence of collateral behaviours was investigated under extinction and massed reinforcer baselines and a variety of periodic or intermittent schedules of ...
E, Emerson, D, Howard
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The phenomena of the induction and entrainment of adjunctive behaviours was investigated in eight people with severe or profound mental retardation who exhibited stereotypic behaviours. The occurrence of collateral behaviours was investigated under extinction and massed reinforcer baselines and a variety of periodic or intermittent schedules of ...
E, Emerson, D, Howard
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Stereotypy and Intermittent Reinforcement
Science, 1961Three pigeons were trained to peck at a horizontally oriented rubber strip 10 in. long. The spatial distribution of responding along this strip is found to be nonrandom when every peck is reinforced with food. The degree of nonrandomness increases markedly when the pecking is intermittently reinforced.
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Understanding equine stereotypies
Equine Veterinary Journal, 1999Summary It is frequently asserted that equine stereotypies, such as crib‐biting, wind‐sucking and weaving, are caused by boredom. However, this explanation is too general to be of practical use in discerning the causes of each stereotypy or in devising management practices to prevent their occurrence.
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2009
This group of behaviors constitutes third core feature of ASD. ABA is the most effective means of addressing the problems. The specific problems and research based interventions will be addressed.
Jeffrey H. Tiger +2 more
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This group of behaviors constitutes third core feature of ASD. ABA is the most effective means of addressing the problems. The specific problems and research based interventions will be addressed.
Jeffrey H. Tiger +2 more
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Stereotypy and asymmetry in mice
1991Mice ran in a circular runway. Number and direction of circuits were recorded. Most control mice ran about the same number of circuits in each direction. After 100 mumols/kg cocaine there were 3.5 times as many circuits and most mice ran most circuits in one direction.
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2006
Abstract Tics are brief and intermittent movements (motor tics) or sounds (vocal or phonic tics). Simple motor tics involve only one group of muscles, causing a brief jerk-like movement. They are usually abrupt in onset and rapid (‘clonic tics’), but they may be slower, causing a briefly sustained abnormal posture (‘dystonic tics ...
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Abstract Tics are brief and intermittent movements (motor tics) or sounds (vocal or phonic tics). Simple motor tics involve only one group of muscles, causing a brief jerk-like movement. They are usually abrupt in onset and rapid (‘clonic tics’), but they may be slower, causing a briefly sustained abnormal posture (‘dystonic tics ...
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