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J Int Neuropsychol Soc ; 3(5): 473-9, 1997 Sep.
Article in English | MEDLINE | ID: mdl-9322407

ABSTRACT

Sixteen right-handed male students were administered a unilateral lexical decision task in 4 conditions: a baseline condition and three sound conditions. In the sound conditions, the participants listened to noise, to music with a positive emotional valence, and to music with a negative emotional valence, while performing the visual half-field task. In the baseline condition, the noise condition, and the positive music condition, lexical decision latencies were shorter to right than to left visual field presentations. In the negative music condition, there was a selective enhancement of left visual field performance, which cancelled the visual field advantage completely. None of the concurrent sounds affected autonomic arousal as measured by heart rate. The results demonstrated that music with a negative emotional valence can alter the half-field asymmetry of a verbal task. The outcome was discussed in terms of right hemisphere priming due to negative emotional experience.


Subject(s)
Decision Making/physiology , Emotions/physiology , Functional Laterality/physiology , Visual Fields/physiology , Adult , Humans , Male , Music
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