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Related Concept Videos

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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Cerebellum: Anatomical Regions01:17

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The cerebellum, also known as the "little brain," is located in the posterior cranial fossa, inferior to the tentorium cerebelli and dorsal to the brainstem. It plays a significant role in motor control, coordination, and proprioception.
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...
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Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
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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.
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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
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The thalamus, often called “the gateway to the cerebral cortex,” is vital in processing and directing sensory and motor signals throughout the brain. Almost all inputs destined for the cerebral cortex, except for olfactory signals, are relayed through the thalamus. The thalamus is  a sophisticated relay station, channeling information from various brain regions to the cerebral cortex, as well as a filter, prioritizing certain signals over others based on current physiological...
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Related Experiment Video

Updated: Apr 21, 2026

Cerebellar Regional Dissection for Molecular Analysis
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Cerebellum and apraxia.

Peter Mariën1, Kim van Dun, Jo Verhoeven

  • 1Clinical and Experimental Neurolinguistics, CLIN, Vrije Universiteit Brussel, Brussels, Belgium, peter.marien5@telenet.be.

Cerebellum (London, England)
|November 11, 2014
PubMed
Summary

The cerebellum, once thought only to control motor function, is now understood to significantly influence cognition and emotion. Research highlights its role in complex actions and cognitive processes, challenging historical views.

Area of Science:

  • Neuroscience
  • Cognitive Neurology
  • Cerebellar Research

Background:

  • Historically, cerebellar pathology was occasionally linked to nonmotor cognitive and affective impairments, but this connection was largely dismissed for nearly two centuries.
  • The traditional view of the cerebellum solely as a motor function coordinator has been fundamentally challenged by recent research.
  • Advances in understanding neuroanatomical connections and functional neuroimaging have revealed the cerebellum's crucial role in modulating cognitive and affective processes.

Purpose of the Study:

  • To review clinical and neuroradiological evidence demonstrating the cerebellum's intrinsic role in skilled motor actions.
  • To explore the cerebellum's involvement in cognitive and affective functions, particularly in relation to the Cerebellar Cognitive Affective Syndrome (CCAS).
  • To discuss the current understanding and remaining questions regarding the pathophysiological mechanisms of cerebellar-induced apraxia.

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Main Methods:

  • Review of existing clinical and neuroradiological evidence.
  • Analysis of functional neuroimaging, neurophysiological, and neuropsychological studies.
  • Examination of the concept of Cerebellar Cognitive Affective Syndrome (CCAS) and its symptom clusters.

Main Results:

  • Substantial evidence now supports the cerebellum's involvement in nonmotor cognitive and affective functions, beyond its motor role.
  • The cerebellum is intrinsically involved in the planning, organization, and execution of skilled motor actions.
  • Apraxias resulting from cerebrocerebellar network disruption may be considered part of the executive cluster within the CCAS.

Conclusions:

  • The cerebellum plays a critical, intrinsic role in cognitive and affective processes, necessitating a revised understanding of its function.
  • While the Cerebellar Cognitive Affective Syndrome (CCAS) provides a framework, the precise pathophysiological mechanisms of cerebellar involvement in apraxia require further elucidation.
  • Continued research is essential to fully understand the complex interplay between the cerebellum and higher-level cognitive and affective functions.