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August 2021

Pitch and timing abilities in adult left-hemisphere-dysphasic and right-hemisphere-damaged subjects

Author(s): Wade, D., Anslow, P., Passingham, R. E.

Journal/Book: Brain Lang. 2000; 75: 525 B St, Ste 1900, San Diego, CA 92101-4495, USA. Academic Press Inc. 47-65.

Abstract: The production and perception of pitch and rhythm were tested in patients with acquired unilateral left-hemisphere (LH) lesions land subsequent motor dysphasia, (n = 13), patients with unilateral right-hemisphere (RH) lesions (rt = 14), and normal age-matched controls. While the LH dysphasic subjects were not generally impaired on the production or perception of pitch, they were grossly impair-ed on the production and perception of rhythm. The RH subjects, in contrast, were impaired on measures of pitch perception and production, including the discrimination and production of single notes and of melodies. It is concluded that the two hemispheres differ in their specialization for the perception and production of pitch and rhythm.

Note: Article Alcock KJ, City Univ London, Dept Psychol, Northampton Sq, London EC1V 0HB, ENGLAND

Keyword(s): SPEECH; LATERALIZATION; PERCEPTION; DISORDER


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