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The Corsi block-tapping test is a psychological test that assesses visuo-spatial short term working memory. It involves mimicking a researcher as he/she taps a sequence of up to nine identical spatially separated blocks. The sequence starts out simple, usually using two blocks, but becomes more complex until the subject's performance suffers. This number is known as the ''Corsi Span'', and averages about 5 for normal human subjects.〔 〕 ==Typical Results== An fMRI study involving subjects undergoing this test revealed that while the sequence length increases, general brain activity remains the same.〔 〕 So while humans may show encoding difficulty, this is not related to overall brain activation. Whether able to perform the task well or not the ventrolateral prefrontal cortex is highly involved. Corsi blocks tasks with a normal forward order requires support from the visuospatial skech pad, but not from the phonological loop. When the sequence to be recalled becomes longer than three or four items, central executive resources are used. 〔 〕 Increase in Corsi Span capacity seems to level out at age 14, where scores are not significantly different from those of young adults. Research suggests there are no gender differences in Corsi Span. 〔Pagulayan, K. F., Busch, R. M., Medina, K. L., Bartok, J. A., & Krikorian, R. "Developmental Normative Data for the Corsi Block-Tapping Task". (2007).〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Corsi block-tapping test」の詳細全文を読む スポンサード リンク
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