[Cerebral lateralization and hemispheric interaction in aging: what about dichotic listening?]. 2009

Caroline Hommet, and Olivier Beauchet, and Christine Moroni, and Karl Mondon, and Danièle Perrier, and Gilles Berrut, and Thierry Constans
Service de médecine interne gériatrie, CHRU de Tours et Université François Rabelais, Tours, France. hommet@med.univ-tours.fr

Dichotic listening is the most frequent behavioral test used to assess hemispheric lateralization. The subjects simultaneously receive competing information signals in each ear and the attention resources are mobilized. Dichotic listening may be viewed as a dual-task procedure. In fact, executive functions and attention, which are involved, may be modified in elderly. The aim of this paper is to define the role of dichotic listening for the study of hemispheric interactions in the elderly, according to compensation/reorganization processes in normal and pathological aging.

UI MeSH Term Description Entries
D007802 Language A verbal or nonverbal means of communicating ideas or feelings. Dialect,Dialects,Languages
D007839 Functional Laterality Behavioral manifestations of cerebral dominance in which there is preferential use and superior functioning of either the left or the right side, as in the preferred use of the right hand or right foot. Ambidexterity,Behavioral Laterality,Handedness,Laterality of Motor Control,Mirror Writing,Laterality, Behavioral,Laterality, Functional,Mirror Writings,Motor Control Laterality,Writing, Mirror,Writings, Mirror
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D004007 Dichotic Listening Tests Tests for central hearing disorders based on the competing message technique (binaural separation). Dichotic Listening Test,Listening Test, Dichotic,Listening Tests, Dichotic,Test, Dichotic Listening,Tests, Dichotic Listening
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000161 Acoustic Stimulation Use of sound to elicit a response in the nervous system. Auditory Stimulation,Stimulation, Acoustic,Stimulation, Auditory
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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