Human Perception of Spatial Frequency Varies with Stimulus Orientation and Location in the Visual Field

Overview

Journal Sci Rep

Specialty Science

Date 2023 Oct 17

PMID 37848541

Authors

Wladimir Kirsch

Wilfried Kunde

Affiliations

Soon will be listed here.

Abstract

Neuroanatomical variations across the visual field of human observers go along with corresponding variations of the perceived coarseness of visual stimuli. Here we show that horizontal gratings are perceived as having lower spatial frequency than vertical gratings when occurring along the horizontal meridian of the visual field, whereas gratings occurring along the vertical meridian show the exact opposite effect. This finding indicates a new peculiarity of processes operating along the cardinal axes of the visual field.

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