Cortical localisation of the visual and auditory word form areas: A reconsideration of the evidence  

Oleh:

Price, C.J. ; Winterburn, D. ; Giraud, A.L. ; Moore, C.J. ; Noppeney, U.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 86 no. 2 (2003), page 272-286.
Topik: Auditory; Visual; Word form areas; Repetition; Reading; Functional imaging
Fulltext: 86_02_Price.pdf (345.26KB)

Isi artikel

In this paper we examine the evidence for human brain areas dedicated to visual or auditory word form processing by comparing cortical activation for auditory word repetition, reading, picture naming, and environmental sound naming. Both reading and auditory word repetition activated left lateralised regions in the frontal operculum (Broca's area), posterior superior temporal gyrus (Wernicke's area), posterior inferior temporal cortex, and a region in the mid superior temporal sulcus relative to baseline conditions that controlled for sensory input and motor output processing. In addition, auditory word repetition increased activation in a lateral region of the left mid superior temporal gyrus but critically, this area is not specific to auditory word processing, it is also activated in response to environmental sounds. There were no reading specific activations, even in the areas previously claimed as visual word form areas: activations were either common to reading and auditory word repetition or common to reading and picture naming. We conclude that there is no current evidence for cortical sites dedicated to visual or auditory word form processing.

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