Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Inertial Frames of Reference01:03

Inertial Frames of Reference

Newton’s first law is usually considered to be a statement about reference frames. It provides a method for identifying a special type of reference frame: the inertial reference frame. In principle, we can make the net force on a body zero. If its velocity relative to a given frame is constant, then that frame is said to be inertial. So, by definition, an inertial reference frame is a reference frame where Newton's first law holds valid. Newton's first law applies to objects with constant...
Non-inertial Frames of Reference01:27

Non-inertial Frames of Reference

A reference frame accelerating or decelerating relative to an inertial frame is a non-inertial frame. To help understand this, consider what taking off in an airplane, turning a corner in a car, riding a merry-go-round, and the circular motion of a tropical cyclone all have in common. All these systems are accelerating, decelerating, or rotating relative to the Earth; hence, they all are non-inertial frames. All these systems exhibit inertial forces, which merely seem to arise from motion,...
Gestalt Principles of Perception01:21

Gestalt Principles of Perception

Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
Vision01:24

Vision

Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
Anatomy of the Eyeball01:20

Anatomy of the Eyeball

The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle layer, the vascular tunic,...
Visual System01:26

Visual System

Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Post-stroke cognitive impairment: More than a lesion-symptom model.

Imaging neuroscience (Cambridge, Mass.)·2026
Same author

A neuropsychological perspective on sensory hypersensitivity after acquired brain injury.

Brain communications·2026
Same author

Are poststroke fatigue and sensory hypersensitivity independent or interconnected? An observational cross-sectional study.

Annals of physical and rehabilitation medicine·2026
Same author

The diagnostic accuracy and clinical feasibility of an immersive VR assessment for spatial attention after left- and right-hemispheric stroke.

Cortex; a journal devoted to the study of the nervous system and behavior·2026
Same author

Miyake Revisited: Validating the Factor Structure of an Open-Source Cognitive Control Test Battery.

Journal of cognition·2026
Same author

Subjective sensory hypersensitivity in chronic acquired brain injury patients: the relationships with insomnia, hyperarousal and perceived stress.

Neuropsychological rehabilitation·2026

Related Experiment Video

Updated: May 8, 2026

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
05:58

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking

Published on: August 29, 2018

Reference frames in visual selection.

Glyn W Humphreys1, Celine R Gillebert, Magda Chechlacz

  • 1Department of Experimental Psychology, Oxford University, Oxford, United Kingdom. glyn.humphreys@psy.ox.ac.uk

Annals of the New York Academy of Sciences
|September 3, 2013
PubMed
Summary
This summary is machine-generated.

Neuropsychological studies suggest visual selection uses reference frames near and far from the body. Evidence supports the psychological reality of abstracted spatial codes, like allocentric coding, beyond egocentric representations.

Keywords:
attentionneglectreference frame

More Related Videos

How to Create and Use Binocular Rivalry
14:34

How to Create and Use Binocular Rivalry

Published on: November 10, 2010

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
07:09

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Published on: November 14, 2018

Related Experiment Videos

Last Updated: May 8, 2026

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
05:58

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking

Published on: August 29, 2018

How to Create and Use Binocular Rivalry
14:34

How to Create and Use Binocular Rivalry

Published on: November 10, 2010

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
07:09

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Published on: November 14, 2018

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Visual Perception

Background:

  • Unilateral neglect patients exhibit deficits in stimulus selection within different spatial representations.
  • Existing research acknowledges a separation of coding space near and far from the body.
  • Debate exists on whether all spatial representations are body-related or if abstracted frames (allocentric, object-centered) are utilized.

Purpose of the Study:

  • To review neuropsychological evidence for visual selection in diverse reference frames.
  • To evaluate the psychological reality of abstracted spatial coding (allocentric, object-centered, environmental).
  • To explore computational models for creating abstracted spatial codes during object selection.

Main Methods:

  • Review of neuropsychological evidence.
  • Analysis of studies on spatial representation and unilateral neglect.
  • Discussion of computational theories.

Main Results:

  • General agreement on a near-body and far-body spatial coding distinction.
  • Evidence supports the existence of abstracted spatial codes, particularly allocentric coding.
  • Patients with unilateral neglect may have impaired selection in distinct spatial frames.

Conclusions:

  • Allocentric spatial coding is psychologically real and distinct from body-centered representations.
  • Visual selection operates within multiple reference frames, including abstracted ones.
  • Further research into computational mechanisms underlying abstracted spatial coding is warranted.