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

Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
Association Areas of the Cortex01:21

Association Areas of the Cortex

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,...
Neuroplasticity01:01

Neuroplasticity

Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
Visual Agnosia01:12

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 end"...
Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.
Prosopagnosia01:24

Prosopagnosia

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...

You might also read

Related Articles

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

Sort by
Same author

Brain network pathophysiology in dystonia.

Dystonia (Lausanne, Switzerland)·2026
Same author

Improved autobiographical memory with central thalamic deep brain stimulation in traumatic brain injury.

Brain communications·2026
Same author

Young and old adult brains experience opposite effects of acute sleep restriction on the functional connectivity network.

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

Maximizing fidelity of neuropsychology assessments in fully remote studies.

Applied neuropsychology. Adult·2026
Same author

Ten simple rules for building a collaborative coding culture.

PLoS computational biology·2026
Same author

The Brain Resilience Study protocol: Building a dataset of the biological and sociocultural factors affecting brain health in older adults.

Neurobiology of aging·2026

Related Experiment Video

Updated: May 26, 2026

Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury
10:59

Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury

Published on: November 19, 2012

Brain activity patterns uniquely supporting visual feature integration after traumatic brain injury.

Anjali Raja Beharelle1, Danielle Tisserand, Donald T Stuss

  • 1Rotman Research Institute of Baycrest Centre, University of Toronto Toronto, ON, Canada.

Frontiers in Human Neuroscience
|December 20, 2011
PubMed
Summary
This summary is machine-generated.

Traumatic brain injury (TBI) patients exhibit altered brain activity patterns during attention tasks. Diffuse axonal injury (DAI) contributes to these changes, affecting neural networks and leading to slower responses.

Keywords:
attentiondiffuse axonal injuryfMRIfeature integrationpartial least squarestraumatic brain injury

More Related Videos

Motor Imagery Brain-Computer Interface in Rehabilitation of Upper Limb Motor Dysfunction After Stroke
09:42

Motor Imagery Brain-Computer Interface in Rehabilitation of Upper Limb Motor Dysfunction After Stroke

Published on: September 1, 2023

Use of a Wireless Video-EEG System to Monitor Epileptiform Discharges Following Lateral Fluid-Percussion Induced Traumatic Brain Injury
09:16

Use of a Wireless Video-EEG System to Monitor Epileptiform Discharges Following Lateral Fluid-Percussion Induced Traumatic Brain Injury

Published on: June 21, 2019

Related Experiment Videos

Last Updated: May 26, 2026

Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury
10:59

Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury

Published on: November 19, 2012

Motor Imagery Brain-Computer Interface in Rehabilitation of Upper Limb Motor Dysfunction After Stroke
09:42

Motor Imagery Brain-Computer Interface in Rehabilitation of Upper Limb Motor Dysfunction After Stroke

Published on: September 1, 2023

Use of a Wireless Video-EEG System to Monitor Epileptiform Discharges Following Lateral Fluid-Percussion Induced Traumatic Brain Injury
09:16

Use of a Wireless Video-EEG System to Monitor Epileptiform Discharges Following Lateral Fluid-Percussion Induced Traumatic Brain Injury

Published on: June 21, 2019

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neurology

Background:

  • Traumatic brain injury (TBI) often results in diffuse axonal injury (DAI), impacting cognitive functions like attention.
  • Patients with moderate to severe TBI show slower and more variable reaction times in speeded attention tasks.

Purpose of the Study:

  • To compare brain activity patterns in chronic TBI patients versus controls during a visual feature integration task.
  • To investigate the neural correlates of complex attentional processing deficits in TBI, specifically in the absence of large focal lesions.

Main Methods:

  • Utilized a multivariate method sensitive to distributed neural activity.
  • Compared brain activation patterns in TBI patients and healthy controls performing a visual feature integration task with varying attentional demands.

Main Results:

  • Controls activated a distributed network (limbic, prefrontal, medial temporal) under multi-feature conditions.
  • TBI patients engaged similar networks even in single-feature conditions and showed additional frontal, parietal, and occipital activation in multi-feature conditions.
  • Increased spread of brain activity in TBI patients was observed, consistent with other cognitive domains.

Conclusions:

  • TBI is associated with altered neural network engagement during complex attention tasks.
  • Brain activity in TBI patients under moderate task demands resembles that of controls under high task demands, suggesting neural inefficiency.