The neuropsychology of 3-D space

Journal/Book: Psychol Bull. 1998; 124: 750 First St NE, Washington, DC 20002-4242. Amer Psychological Assoc. 123-164.

Abstract: The neuropsychological literature on 3-D spatial interactions is integrated using a model of 4 major behavioral realms: (a) peripersonal (visuomotor operations in near-body space), (b) focal extrapersonal (visual search and object recognition), (c) action extrapersonal (orienting in topographically defined space), and (d) ambient extrapersonal (orienting in earth-fixed space). Each is associated with a distinct cortical network: dorsolateral peripersonal, predominantly ventrolateral focal-extrapersonal, predominantly ventromedial action-extrapersonal, and predominantly dorsomedial ambient-extrapersonal systems. Interactions in 3-D space are also regulated neurochemically with dopaminergic and cholinergic excitation associated with extrapersonal activation and noradrenergic and serotonergic excitation associated with peripersonal activation. This model can help explain the 3-D imbalances in prominant neuropsychological disorders.

Note: Review Previc FH, USAF, Human Effectiveness Directorate, 2504 Gillingham Dr, Suite 25, Brooks Afb,TX 78235 USA

Keyword(s): PARIETAL ASSOCIATION CORTEX; PURSUIT EYE-MOVEMENTS; SUPERIOR TEMPORAL SULCUS; VERTICAL GAZE DIRECTION; AUDITORY PSYCHOMOTOR COORDINATION; PROBABLE ALZHEIMERS-DISEASE; CEREBRAL GLUCOSE-METABOLISM; VISUAL-SEARCH PERFORMANCE; LEFT VISUOSPATIAL NEGLECT; RHESUS-MONKEY

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