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The Pattern of Intact and Impaired Memory Functions in Autism
Author(s) -
Minshew Nancy J.,
Goldstein Gerald
Publication year - 2001
Publication title -
journal of child psychology and psychiatry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.652
H-Index - 211
eISSN - 1469-7610
pISSN - 0021-9630
DOI - 10.1111/1469-7610.00808
Subject(s) - psychology , autism , recall , modality (human–computer interaction) , short term memory , developmental psychology , memory span , task (project management) , cognitive psychology , impaired memory , audiology , working memory , cognition , neuroscience , medicine , management , human–computer interaction , computer science , economics
A battery of tests of auditory and visual memory was used to investigate memory function in 52 high‐functioning adolescents and young adults with autism and 40 group‐matched normal controls. It was hypothesized that memory dysfunction is present in autism but is not modality specific and is produced by poor utilization of organizing strategies. It was therefore hypothesized that memory impairment in autism would become more prominent as task complexity was increased. The participants with autism performed as well as controls on short‐term memory and paired‐associate learning tasks, but performed significantly less well than controls on a list learning task. They also performed significantly more poorly on immediate and delayed recall of a story and of a complex geometric figure. On a maze learning task, their performance became progressively worse relative to controls as the complexity of the maze increased. On a series of span tasks, they did not differ from controls on letter span, but did significantly worse on word span and sentences of increasing complexity. These findings indicate a lack of modality specificity and a failure to initiate organizing strategies as evidenced by inefficiency in new learning, poor utilization of contextual cues in story and complex pattern recall, and greater impairment with increasing complexity of the material.