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sterotypical behavior

AlangM Stein alstein at EIS.CALSTATE.EDU
Wed May 18 17:33:04 EST 1994

	Repeated behaviors are common in people with and without unusual 
labels. For instance, thumb twirling, rocking, and the kicking of infants 
are sights everyone has seen.
	In autism and with people who are retarded, flipping of fingers, 
body rocking, face slapping, and repetition of words and /sounds is common.
	If the observed rate of sterotypical behavior in persons with 
autism is .26 seconds per body rock, what brain wave might be implicated, 
assuming that the loci of control are not modulating the motor program? 
What brain wave --alpha, theta etc-- corresponds in duration in a direct 
or multiple way to .26 seconds. Or is this approach not useful for 
explaining the duration of the motor program which seems almost certainly 
not to be under the conscious control of the infant kicking or the person 
with autism?
Cesaroni, L & garber, M. (1991). Exploring the experience of autism 
through first hand accounts, Journal of Autism and developmental 
Disorders, 21 (3) 303-313
Thelan, E (1981) Developmental Psychology 17, (3) 237-257.
Ritvo, E.R., (1968) Frequency of repetitive behaviors , Archives of 
General Psychiatry, 19, 341-348.
Walker and Coleman (1976) for mean duration
Could the rate be linked to the delay in brain stem transition time in 
persons with autism of .27milliseconds? Student and Sohmer (1978)?
 alan stein
po box 020241
juneau, alaska 99802


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