Tags

Type your tag names separated by a space and hit enter

Enhanced right hemisphere activation in the mathematically precocious: a preliminary EEG investigation.
Brain Cogn. 1991 Nov; 17(2):138-53.BC

Abstract

A preliminary electroencephalographic (EEG) investigation was conducted to determine if the pattern of hemispheric activation in mathematically precocious youth differs from that of average math ability subjects. Alpha activity at four brain sites (frontal, temporal, parietal, and occipital lobes) over the left and right cerebral hemispheres (LH/RH) was monitored while 12- to 14-year-old, right-handed males: (a) looked at a blank slide (baseline condition), (b) judged which of two chimeric faces was "happier," and (c) determined if a word was a noun or a verb. At baseline, the LH of the precocious group was found to be more active at all four brain sites relative to that of the average ability group. During chimeric face processing, the gifted subjects exhibited a significant reduction in alpha power over the RH, primarily at the temporal lobe, while no such alpha suppression was observed in the average ability subjects. For noun/verb determinations, no significant alpha power reductions were obtained for either group. These electrophysiological data generally corroborate the behavioral findings of O'Boyle and Benbow (1990a) and support their contention that enhanced RH involvement during cognitive processing may be a correlate of mathematical precocity. Moreover, the pattern of activation observed across tasks suggests that the ability to effectively coordinate LH and RH processing resources at an early age may be linked to intellectual giftedness.

Authors+Show Affiliations

Department of Psychology, Iowa State University, Ames 50011-3180.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

1799450

Citation

O'Boyle, M W., et al. "Enhanced Right Hemisphere Activation in the Mathematically Precocious: a Preliminary EEG Investigation." Brain and Cognition, vol. 17, no. 2, 1991, pp. 138-53.
O'Boyle MW, Alexander JE, Benbow CP. Enhanced right hemisphere activation in the mathematically precocious: a preliminary EEG investigation. Brain Cogn. 1991;17(2):138-53.
O'Boyle, M. W., Alexander, J. E., & Benbow, C. P. (1991). Enhanced right hemisphere activation in the mathematically precocious: a preliminary EEG investigation. Brain and Cognition, 17(2), 138-53.
O'Boyle MW, Alexander JE, Benbow CP. Enhanced Right Hemisphere Activation in the Mathematically Precocious: a Preliminary EEG Investigation. Brain Cogn. 1991;17(2):138-53. PubMed PMID: 1799450.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Enhanced right hemisphere activation in the mathematically precocious: a preliminary EEG investigation. AU - O'Boyle,M W, AU - Alexander,J E, AU - Benbow,C P, PY - 1991/11/1/pubmed PY - 1991/11/1/medline PY - 1991/11/1/entrez SP - 138 EP - 53 JF - Brain and cognition JO - Brain Cogn VL - 17 IS - 2 N2 - A preliminary electroencephalographic (EEG) investigation was conducted to determine if the pattern of hemispheric activation in mathematically precocious youth differs from that of average math ability subjects. Alpha activity at four brain sites (frontal, temporal, parietal, and occipital lobes) over the left and right cerebral hemispheres (LH/RH) was monitored while 12- to 14-year-old, right-handed males: (a) looked at a blank slide (baseline condition), (b) judged which of two chimeric faces was "happier," and (c) determined if a word was a noun or a verb. At baseline, the LH of the precocious group was found to be more active at all four brain sites relative to that of the average ability group. During chimeric face processing, the gifted subjects exhibited a significant reduction in alpha power over the RH, primarily at the temporal lobe, while no such alpha suppression was observed in the average ability subjects. For noun/verb determinations, no significant alpha power reductions were obtained for either group. These electrophysiological data generally corroborate the behavioral findings of O'Boyle and Benbow (1990a) and support their contention that enhanced RH involvement during cognitive processing may be a correlate of mathematical precocity. Moreover, the pattern of activation observed across tasks suggests that the ability to effectively coordinate LH and RH processing resources at an early age may be linked to intellectual giftedness. SN - 0278-2626 UR - https://www.unboundmedicine.com/medline/citation/1799450/Enhanced_right_hemisphere_activation_in_the_mathematically_precocious:_a_preliminary_EEG_investigation_ DB - PRIME DP - Unbound Medicine ER -