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Hemispheric processing of categorical and coordinate spatial relations in the absence of low spatial frequencies.
J Cogn Neurosci. 2002 Feb 15; 14(2):291-7.JC

Abstract

Right-handed participants performed the categorical and coordinate spatial relation judgments on stimuli presented to either the left visual field - right hemisphere (LVF-RH) or the right visual field - left hemisphere (RVF-LH). The stimulus patterns were formulated either by bright dots or contrast-balanced dots. When the stimuli were bright, an RVF-LH advantage was observed for the categorical task, whereas an LVF-RH advantage was observed for the coordinate task. When the stimuli were contrast balanced, the RVF-LH advantage was observed for the categorical task, but the LVF-RH advantage was eliminated for the coordinate task. Because the contrast-balanced dots are largely devoid by of low spatial frequency content, these results suggest that processing of low spatial frequency is responsible for the right hemisphere advantage for the coordinate spatial processing.

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Authors+Show Affiliations

Okubo M
Department of Psychology, Graduate School of Humanity and Sociologies, University of Tokyo, Tokyo, Japan. matia@zoo.L.u-tokyo.ac.jp
Michimata C
No affiliation info available

MeSH

AdultCerebral CortexDominance, CerebralFemaleHumansMalePhotic StimulationSpace PerceptionVisual Fields

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

11970792

Citation

Okubo, Matia, and Chikashi Michimata. "Hemispheric Processing of Categorical and Coordinate Spatial Relations in the Absence of Low Spatial Frequencies." Journal of Cognitive Neuroscience, vol. 14, no. 2, 2002, pp. 291-7.
Okubo M, Michimata C. Hemispheric processing of categorical and coordinate spatial relations in the absence of low spatial frequencies. J Cogn Neurosci. 2002;14(2):291-7.
Okubo, M., & Michimata, C. (2002). Hemispheric processing of categorical and coordinate spatial relations in the absence of low spatial frequencies. Journal of Cognitive Neuroscience, 14(2), 291-7.
Okubo M, Michimata C. Hemispheric Processing of Categorical and Coordinate Spatial Relations in the Absence of Low Spatial Frequencies. J Cogn Neurosci. 2002 Feb 15;14(2):291-7. PubMed PMID: 11970792.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Hemispheric processing of categorical and coordinate spatial relations in the absence of low spatial frequencies. AU - Okubo,Matia, AU - Michimata,Chikashi, PY - 2002/4/24/pubmed PY - 2002/5/25/medline PY - 2002/4/24/entrez SP - 291 EP - 7 JF - Journal of cognitive neuroscience JO - J Cogn Neurosci VL - 14 IS - 2 N2 - Right-handed participants performed the categorical and coordinate spatial relation judgments on stimuli presented to either the left visual field - right hemisphere (LVF-RH) or the right visual field - left hemisphere (RVF-LH). The stimulus patterns were formulated either by bright dots or contrast-balanced dots. When the stimuli were bright, an RVF-LH advantage was observed for the categorical task, whereas an LVF-RH advantage was observed for the coordinate task. When the stimuli were contrast balanced, the RVF-LH advantage was observed for the categorical task, but the LVF-RH advantage was eliminated for the coordinate task. Because the contrast-balanced dots are largely devoid by of low spatial frequency content, these results suggest that processing of low spatial frequency is responsible for the right hemisphere advantage for the coordinate spatial processing. SN - 0898-929X UR - https://www.unboundmedicine.com/medline/citation/11970792/Hemispheric_processing_of_categorical_and_coordinate_spatial_relations_in_the_absence_of_low_spatial_frequencies_ L2 - https://direct.mit.edu/jocn/article-lookup/doi/10.1162/089892902317236902 DB - PRIME DP - Unbound Medicine ER -