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Gabay, Yafit; Schiff, Rachel; Vakil, Eli – Neuropsychologia, 2012
Motor sequence learning has been studied extensively in Developmental dyslexia (DD). The purpose of the present research was to examine procedural learning of letter names and motor sequences in individuals with DD and control groups. Both groups completed the Serial Search Task which enabled the assessment of learning of letter names and motor…
Descriptors: Control Groups, Alphabets, Dyslexia, Learning Processes
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Mizuno, Kei; Tanaka, Masaaki; Tanabe, Hiroki C.; Sadato, Norihiro; Watanabe, Yasuyoshi – Neuropsychologia, 2012
The kana pick-out test has been widely used in Japan to evaluate the ability to divide attention in both adult and pediatric patients. However, the neural substrates underlying the ability to divide attention using the kana pick-out test, which requires participants to pick out individual letters (vowels) in a story while also reading for…
Descriptors: Sentences, Patients, Foreign Countries, Brain
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Moriya, Hiroki; Nittono, Hiroshi – Neuropsychologia, 2011
In order to determine the processing stage that is responsible for the effect of mood states on the breadth of attentional focus, we recorded event-related potentials from 18 students who performed a flanker task involving adjacent letters. To induce a specific mood state, positive, neutral, or negative affective pictures were presented repeatedly…
Descriptors: Reaction Time, Psychological Patterns, Brain Hemisphere Functions, Diagnostic Tests
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Liu, Jiangang; Li, Jun; Zhang, Hongchuan; Rieth, Cory A.; Huber, David E.; Li, Wu; Lee, Kang; Tian, Jie – Neuropsychologia, 2010
This fMRI study investigated top-down letter processing with an illusory letter detection task. Participants responded whether one of a number of different possible letters was present in a very noisy image. After initial training that became increasingly difficult, they continued to detect letters even though the images consisted of pure noise,…
Descriptors: Cognitive Processes, Correlation, Brain Hemisphere Functions, Diagnostic Tests
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Gaffrey, Michael S.; Kleinhans, Natalia M.; Haist, Frank; Akshoomoff, Natacha; Campbell, Ashley; Courchesne, Eric; Muller, Ralph-Axel – Neuropsychologia, 2007
Language delay and impairment are salient features of autism. More specifically, there is evidence of atypical semantic organization in autism, but the functional brain correlates are not well understood. The current study used functional MRI to examine activation associated with semantic category decision. Ten high-functioning men with autism…
Descriptors: Visual Stimuli, Control Groups, Semantics, Autism