Cerebral Lateralization in Linguistic and Non- linguistic Perception: Analysis of Cognitive Styles in the Auditory Modality  

Oleh:

Njemanze, Philip C.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 41 no. 3 (Oct. 1991), page 367-380.
Fulltext: 41_03_Njemanze.pdf (958.63KB)

Ketersediaan

Perpustakaan PKBB Nomor Panggil: 405/BAL/41 Non-tandon: tidak ada Tandon: 1

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Isi artikel

Twenty-two normal subjects (9 left-handers, 13 right-handers) and five dyslexic patients (3 right-handers, and 2 left-handers) were characterized by physiologic hemisphere dominance. The latter was determined by the response of the middle cerebral artery (MCA) blood flow velocity, measured using the transcranial Doppler (TCD) technique, to hypoventilation (hypercapnia). Using bilateral almost simultaneous TCD measurements of mean blood flow velocity in the MCA, lateralization was determined in response to linguistic and nonlinguistic paradigms. In relation to the linguistic paradigm, left-handers, showed lateralization to the physiologic non dominant hemisphere, while right-handers showed lateralization to the physiologic dominant hemisphere; dyslexic patients show trends opposite to those in normals. @ 1991 Academic Press, Inc.

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