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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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Association Areas of the Cortex01:21

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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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Related Experiment Video

Updated: Jun 29, 2025

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging
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Four Streams Within the Prefrontal Cortex: Integrating Structural and Functional Connectivity.

Dorit Ben Shalom1, Georgios P Skandalakis2,3

  • 1School of Brain Sciences and Cognition, Ben-Gurion University of the Negev, Beersheba, Israel.

The Neuroscientist : a Review Journal Bringing Neurobiology, Neurology and Psychiatry
|April 5, 2024
PubMed
Summary
This summary is machine-generated.

Autism and ADHD research reveals four prefrontal cortex streams for motor, emotion, memory, and sensory processing. New tractography data clarifies the structural connections supporting this brain information processing model.

Keywords:
BA 10BA 11BA 8BA 9emotionmemorymotorprefrontalsensory

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Neuroimaging

Background:

  • Autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD) share overlapping neural underpinnings.
  • Functional neuroimaging studies suggest information processing in the prefrontal cortex occurs through distinct streams.
  • These streams are hypothesized to involve motor (Brodmann area 8), emotion (BA 9), memory (BA 10), and emotional-related sensory (BA 11) functions.

Purpose of the Study:

  • To review recent evidence supporting the anatomofunctional integration of the four prefrontal cortex streams.
  • To examine the white matter fiber tracts that underpin these four streams.

Main Methods:

  • Review of existing functional neuroimaging data related to ASD and ADHD.
  • Analysis of a population-based high-definition tractography study involving 1,065 individuals to reveal structural connectivity.

Main Results:

  • Functional evidence from ASD and ADHD studies converges on four distinct prefrontal cortex streams.
  • Structural connectivity data from high-definition tractography supports the anatomical basis of these four streams.
  • Specific white matter fiber tracts have been identified as subserving each of the four streams.

Conclusions:

  • The four-stream model of prefrontal cortex information processing is supported by both functional and structural evidence.
  • Understanding the white matter pathways is crucial for elucidating the neurobiology of disorders like ASD and ADHD.
  • This integrated anatomofunctional perspective advances our comprehension of prefrontal cortex organization and function.