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Related Concept Videos

Prosopagnosia01:24

Prosopagnosia

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Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
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Vision01:24

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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.
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Association Areas of the Cortex01:21

Association Areas of the Cortex

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Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
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Visual Agnosia01:12

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Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
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Related Experiment Video

Updated: Mar 3, 2026

A Metric Test for Assessing Spatial Working Memory in Adult Rats Following Traumatic Brain Injury
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The consequence of spatial visual processing dysfunction caused by traumatic brain injury (TBI).

William V Padula1,2, Jose E Capo-Aponte3, William V Padula4

  • 1a Salus University College of Optometry , Philadelphia , PA , USA.

Brain Injury
|April 26, 2017
PubMed
Summary
This summary is machine-generated.

Traumatic brain injury (TBI) can disrupt visual processing, affecting balance and posture. Prism prescription can help restore visual-motor function and alleviate TBI-related symptoms.

Keywords:
Visioncerebrovascular accident (CVA)concussionegocentrepost trauma vision syndrome (PTVS)prismsrisk of fall (RoF)spatial visual processtraumatic brain injury (TBI)visual midline shift syndrome (VMSS)

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Area of Science:

  • Neuroscience
  • Vision Science
  • Rehabilitation Medicine

Background:

  • Traumatic brain injury (TBI) often leads to visual processing dysfunctions impacting binocularity, spatial orientation, posture, and balance.
  • The bi-modal visual processing model highlights the plasticity crucial for efficient visual-motor integration.
  • Compromised bi-modal processing can result in Post-Trauma Vision Syndrome (PTVS) and Visual Midline Shift Syndrome (VMSS).

Purpose of the Study:

  • To explore the consequences of TBI on visual processing and associated symptoms.
  • To offer a new perspective on visual processing dysfunction following neurological events.
  • To identify potential new rehabilitation approaches for TBI-induced visual impairments.

Main Methods:

  • Review of existing research on TBI and visual processing.
  • Analysis of the role of the bi-modal visual processing model.
  • Examination of rehabilitation strategies including prisms and lenses.

Main Results:

  • Prism prescription demonstrates potential to influence the plasticity between spatial visual processing and motor-sensory systems.
  • Visual rehabilitation strategies can improve binocularity, spatial orientation, posture, and balance after TBI.
  • Understanding vision as a bi-modal process offers new avenues for rehabilitation.

Conclusions:

  • A bi-modal vision model provides a framework for understanding TBI-related visual dysfunction.
  • Interventions targeting visual processing plasticity can improve outcomes for individuals with TBI.
  • This perspective can guide the development of novel rehabilitation strategies for neurological injuries.