Results 31 to 40 of about 2,270,877 (286)

Eye-Tracking Reveals that the Strength of the Vertical-Horizontal Illusion Increases as the Retinal Image Becomes More Stable with Fixation

open access: yesFrontiers in Human Neuroscience, 2017
The closer a line extends toward a surrounding frame, the longer it appears. This is known as a framing effect. Over 70 years ago, Teodor Künnapas demonstrated that the shape of the visual field itself can act as a frame to influence the perceived length
Philippe A. Chouinard   +2 more
doaj   +1 more source

Familiar size and the theory of off-sized perceptions [PDF]

open access: yesPerception & Psychophysics, 1987
The role of familiar size in the visual judgment of size and distance was investigated using reduced conditions of observation and instructions that called for either objective or apparent size and distance judgments. Each observer was presented with one object at one distance (56, 107, or 149 cm).
W C, Gogel, J A, Da Silva
openaire   +2 more sources

The Influence of Auditory Information on Visual Size Adaptation

open access: yesFrontiers in Neuroscience, 2017
Size perception can be influenced by several visual cues, such as spatial (e.g., depth or vergence) and temporal contextual cues (e.g., adaptation to steady visual stimulation).
Alessia Tonelli   +3 more
doaj   +1 more source

Size constancy affects the perception and parietal neural representation of object size

open access: yesNeuroImage, 2021
Humans and animals rely on accurate object size perception to guide behavior. Object size is judged from visual input, but the relationship between an object's retinal size and its real-world size varies with distance.
Stephanie Kristensen   +4 more
doaj   +1 more source

Independence of Size and Distance in Binocular Vision

open access: yesFrontiers in Psychology, 2018
For too long, the size distance invariance hypothesis (SDIH) has been the prevalent explanation for size perception. Despite inconclusive evidence, the SDIH has endured, primarily due to lack of suitable information sources for size perception.
Nam-Gyoon Kim
doaj   +1 more source

How haptic size sensations improve distance perception. [PDF]

open access: yesPLoS Computational Biology, 2011
Determining distances to objects is one of the most ubiquitous perceptual tasks in everyday life. Nevertheless, it is challenging because the information from a single image confounds object size and distance. Though our brains frequently judge distances
Peter W Battaglia   +2 more
doaj   +1 more source

A Riemannian Geometry Theory of Three-Dimensional Binocular Visual Perception

open access: yesVision, 2018
We present a Riemannian geometry theory to examine the systematically warped geometry of perceived visual space attributable to the size⁻distance relationship of retinal images associated with the optics of the human eye.
Peter D. Neilson   +2 more
doaj   +1 more source

Aging and the visual perception of object size

open access: yesScientific Reports, 2022
An experiment evaluated the ability of 30 younger and older adults to visually judge object size under three conditions: (1) full cue, (2) in the dark, with linear perspective, and (3) in complete darkness.
J. Farley Norman   +4 more
doaj   +1 more source

Size and shape constancy in consumer virtual reality [PDF]

open access: yes, 2020
With the increase in popularity of consumer virtual reality headsets, for research and other applications, it is important to understand the accuracy of 3D perception in VR.
A Glennerster   +42 more
core   +2 more sources

Sexually size dimorphic brains and song complexity in passerine birds [PDF]

open access: yes, 2004
Neural correlates of bird song involve the volume of particular song nuclei in the brain that govern song development, production, and perception. Intra- and interspecific variation in the volume of these song nuclei are associated with overall brain ...
Eens, Marcel   +3 more
core   +2 more sources

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