Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Visual Agnosia

Visual Agnosia

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...

You might also read

Related Articles

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

Sort by

Same author

Advancing engagement of people with lived experience of stroke in recovery and rehabilitation research: Consensus-based core recommendations from the fourth Stroke Recovery and Rehabilitation Roundtable.

International journal of stroke : official journal of the International Stroke Society·2026

Same author

The Influence of Relationships Within Behavioral Weight Management Interventions: An Overview.

Obesity reviews : an official journal of the International Association for the Study of Obesity·2026

Same author

Barriers and Facilitators to Interest-Holder Engagement in Health Guideline Development: A Qualitative Evidence Synthesis.

Campbell systematic reviews·2026

Same author

Better Together: Tools to Aid Patient and Public Involvement in Evidence Synthesis and the Need for Consensus on Essential Reporting Items.

Cochrane evidence synthesis and methods·2026

Same author

Exploring patient involvement in target refraction decision-making for cataract surgery.

Optometry and vision science : official publication of the American Academy of Optometry·2026

Same author

ESPriT1: the effectiveness of laparoscopic treatment of isolated superficial peritoneal endometriosis for managing chronic pelvic pain in women: a randomised controlled feasibility trial.

Reproduction & fertility·2026

Search research articles

Related Experiment Video

Updated: Aug 23, 2025

Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke

Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke

Published on: June 6, 2025

Interventions for perceptual disorders following stroke.

Christine Hazelton¹, Katie Thomson^1,2, Alex Todhunter-Brown¹

¹Nursing, Midwifery and Allied Health Professions Research Unit, Glasgow Caledonian University, Glasgow, UK.

The Cochrane Database of Systematic Reviews

|November 3, 2022

Summary

Limited evidence supports interventions for stroke-related perceptual disorders. More high-quality trials are needed to determine effectiveness for improving daily activities after stroke.

More Related Videos

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

Author Spotlight: Rehabilitation of Stroke Patients With a Digital Occupational Training System

Author Spotlight: Rehabilitation of Stroke Patients With a Digital Occupational Training System

Published on: December 29, 2023

Related Experiment Videos

Last Updated: Aug 23, 2025

Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke

Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke

Published on: June 6, 2025

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

Author Spotlight: Rehabilitation of Stroke Patients With a Digital Occupational Training System

Author Spotlight: Rehabilitation of Stroke Patients With a Digital Occupational Training System

Published on: December 29, 2023

Area of Science:

Neuroscience
Rehabilitation Medicine

Background:

Stroke frequently impairs perception, affecting up to 70% of survivors.
Perceptual disorders can cause significant distress and dependence.
Interventions include rehabilitation, brain stimulation, and pharmacological/surgical approaches.

Purpose of the Study:

To assess the effectiveness of interventions for perceptual disorders post-stroke.
Compared interventions against no intervention or control groups.
Focused on improvements in activities of daily living (ADL).

Main Methods:

Included randomized controlled trials (RCTs) of adult stroke survivors.
Defined perception broadly, excluding visual field deficits, neglect, and pain.
Conducted systematic searches across multiple databases up to August 2021.

Main Results:

Identified 18 RCTs with 541 participants, focusing on touch, somatosensory, and visual perception.
None of the trials reported on hearing, taste, or smell perception disorders.
Limited trials reported on the primary outcome of ADL performance when comparing interventions to controls.

Conclusions:

There is insufficient evidence from RCTs to confirm the effectiveness of interventions for post-stroke perceptual disorders.
High-quality trials with adequate participant numbers and appropriate comparisons are needed.
Continued neurorehabilitation is recommended for individuals with impaired perception post-stroke.