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Related Concept Videos

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.
Somatosensory, Motor, and Association Cortex01:23

Somatosensory, Motor, and Association Cortex

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 the...
Lobes of the Cerebrum01:22

Lobes of the Cerebrum

The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements.
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,...
Cerebral Hemispheres01:05

Cerebral Hemispheres

The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

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 cerebellum's...

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Related Experiment Video

Updated: Jul 3, 2026

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum
07:30

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum

Published on: March 21, 2019

Planning, Coordination, and Communication: The Posterior Parietal Cortex in Eye-Hand Control.

Eric Mooshagian1, Lawrence H Snyder2

  • 11Department of Cognitive Science, University of California San Diego, La Jolla, California, USA;

Annual Review of Vision Science
|July 1, 2026
PubMed
Summary
This summary is machine-generated.

Eye-hand coordination involves parallel processing, not just sequential eye movements guiding the hand. A distributed brain network, especially the posterior parietal cortex, integrates signals for flexible control.

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In Vivo Wireless Optogenetic Control of Skilled Motor Behavior
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In Vivo Wireless Optogenetic Control of Skilled Motor Behavior

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Related Experiment Videos

Last Updated: Jul 3, 2026

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum
07:30

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum

Published on: March 21, 2019

In Vivo Wireless Optogenetic Control of Skilled Motor Behavior
07:52

In Vivo Wireless Optogenetic Control of Skilled Motor Behavior

Published on: November 22, 2021

Area of Science:

  • Neuroscience
  • Motor Control
  • Cognitive Science

Background:

  • Eye-hand coordination (EHC) is crucial for daily activities.
  • Traditionally viewed as sequential (eyes first, then hand), new evidence suggests parallel processing.

Purpose of the Study:

  • To investigate the neural mechanisms underlying eye-hand coordination.
  • To challenge the sequential model and propose a distributed network view.

Main Methods:

  • Review of converging behavioral and neurophysiological evidence.
  • Analysis of experimental dissociations in coordination tasks.
  • Focus on posterior parietal cortex (PPC) function and interareal interactions.

Main Results:

  • Saccade and reach planning initiate concurrently, with timing influenced by effector dynamics.
  • Coordination is enhanced by coupling but not obligatory, especially in complex tasks.
  • The PPC acts as a key integration hub for sensory and motor signals.

Conclusions:

  • Eye-hand coordination relies on a distributed network with parallel commands and structured interareal communication.
  • The PPC plays a central role in integrating information for flexible eye and hand control.
  • Beta-band oscillations may link oculomotor and manual circuits, but their causal role is under investigation.