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Related Concept Videos

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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Role of Cerebellum and Prefrontal Cortex in Memory01:14

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The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
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Somatosensory, Motor, and Association Cortex01:24

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The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at...
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Motor and Sensory Areas of the Cortex01:14

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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
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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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Somatosensation01:33

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The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
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Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection
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The cingulate cortex and spatial neglect.

A M Barrett1, Andrew Abdou2, Meghan D Caulfield3

  • 1Center for Stroke Rehabilitation Research, Kessler Foundation, West Orange, NJ, United States; Kessler Institute for Rehabilitation, West Orange, NJ, United States; Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Newark, NJ, United States.

Handbook of Clinical Neurology
|November 17, 2019
PubMed
Summary
This summary is machine-generated.

Spatial neglect, an attention disorder, is linked to cingulate cortex damage. This damage affects spatial aiming, impacting daily function and predicting disability. Targeted therapies may improve outcomes.

Keywords:
ArousalFunctional disabilityMotor neglectMotor-intentionSpatial AimingSpatial neglect

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Rehabilitation Medicine

Background:

  • Spatial neglect is a neurological condition characterized by asymmetric attention, orienting, and action, leading to significant functional disability.
  • While linked to higher-order cortical sensory processing, spatial motor "Aiming" processing is crucial for adaptive environmental interaction and daily life.
  • The cingulate cortex, specifically the anterior and anterior midcingulate regions, is strongly implicated in spatial aiming deficits.

Purpose of the Study:

  • To review the impact and mechanisms of spatial neglect.
  • To describe symptoms of spatial neglect theoretically linked to cingulate cortical functions or lesions.
  • To discuss treatment implications connecting cingulate cortex spatial aiming neglect to therapies enhancing spatial action, arousal, and persistence.

Main Methods:

  • Review of existing literature on spatial neglect and cingulate cortex function.
  • Analysis of a well-characterized spatial neglect cohort to identify symptoms linked to cingulate regions.
  • Theoretical linkage of observed symptoms to cingulate cortical functions.

Main Results:

  • Spatial aiming deficits are strongly associated with the cingulate cortex.
  • Damage to the anterior cingulate and anterior midcingulate cortex predicts daily life disability in spatial neglect.
  • Specific spatial neglect symptoms correlate with cingulate cortical involvement.

Conclusions:

  • The cingulate cortex plays a critical role in spatial aiming and functional outcomes in spatial neglect.
  • Clinicians should consider theoretically motivated treatments targeting specific symptoms related to cingulate function.
  • Therapies aimed at improving spatial action, arousal, and persistence may benefit patients with cingulate-related spatial neglect.