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Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm

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Published on: April 28, 2020

Shape, gravity, and the perception of the right angle.

Lydia M Maniatis¹

¹Psychology Department, American University, 4400 Massachusetts Avenue, Washington, DC 20016, USA. lydia.maniatis@gmail.com

|August 4, 2010

Summary

Perceptual sensitivity to right angles depends on object shape, not just visual or environmental cues. Object form influences how angles are perceived within a ground-gravity context.

Area of Science:

Visual perception
Cognitive psychology
Object recognition

Background:

Conflicting conclusions exist regarding whether orientation-dependent sensitivity to right angles stems from retinal or environmental frames of reference.
Previous research has not definitively established the primary cause of right-angle orientation sensitivity.

Purpose of the Study:

To investigate the role of object shape in orientation-dependent sensitivity to right angles.
To demonstrate that object shape is the chief factor influencing the perception of right angles.

Main Methods:

The study proposes a theoretical framework rather than empirical methods.
It focuses on the mediating role of object shape in establishing a typical orientation within a ground-gravity context.

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Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm

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Main Results:

The shape of an object containing an angle is identified as the primary determinant of orientation-dependent sensitivity.
This shape influences the perceived force-structure of the angle, which is reflected in visual perception.

Conclusions:

Object shape, not solely retinal or environmental factors, underlies the perception of right angles.
The typical orientation of objects and their inherent force-structures, mediated by shape, are crucial for angle perception.