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Related Concept Videos

Diencephalon: Thalamus and Information Relay01:27

Diencephalon: Thalamus and Information Relay

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 states or needs.
Indirect Motor Pathways01:22

Indirect Motor Pathways

The indirect motor or extrapyramidal pathways originate in the brainstem, the lower portion of the brain that connects it to the spinal cord. They consist of several distinct tracts, each with specialized functions. The four main tracts of the indirect motor pathways are the vestibulospinal tract, the reticulospinal tract, the tectospinal tract, and the rubrospinal tract.
The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...
Hierarchy of Motor Control01:18

Hierarchy of Motor Control

The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
Direct Motor Pathways01:11

Direct Motor Pathways

The direct motor pathways, also known as the pyramidal tracts, are a group of neural pathways that originate in the brain and descend through the spinal cord. They control the voluntary movement of the body. There are two major direct motor pathways: the corticospinal and the corticobulbar tracts.
The corticospinal tract is responsible for the voluntary movement of the limbs and trunk. It originates in the cerebral cortex of the brain and descends through the cerebrum's internal capsule and the...
Functional Brain Systems: Reticular Formation01:13

Functional Brain Systems: Reticular Formation

The reticular formation is a complex network of gray and white matter located within the brainstem extending from the medulla to the midbrain.
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
Brainstem01:19

Brainstem

The brainstem, located inferior to the brain and superior to the spinal cord, serves as a bridge between the cerebrum and the spinal cord. It plays a vital role in relaying information and controlling critical life functions. It comprises three primary regions: the midbrain, pons, and medulla oblongata.
The Midbrain
The midbrain is located beneath the diencephalon and connects the cerebrum with the lower parts of the brain. The cerebral peduncles are prominent midbrain structures that house the...

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Related Experiment Video

Updated: Jul 5, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

Linking form and motion in the primate brain.

Zoe Kourtzi1, Bart Krekelberg, Richard J A van Wezel

  • 1School of Psychology, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK. z.kourtzi@bham.ac.uk

Trends in Cognitive Sciences
|May 13, 2008
PubMed
Summary

The primate brain integrates visual form and motion information to understand dynamic events and guide actions. This process involves interactions between visual and frontal-parietal brain regions.

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Related Experiment Videos

Last Updated: Jul 5, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
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Published on: August 1, 2018

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Behavioral Assessment of Manual Dexterity in Non-Human Primates
16:00

Behavioral Assessment of Manual Dexterity in Non-Human Primates

Published on: November 11, 2011

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Visual Perception

Background:

  • Understanding dynamic events requires integrating visual form and motion.
  • The primate brain processes shape and motion in distinct visual pathways (ventral and dorsal).
  • Interactions between these pathways are crucial for interpreting complex visual information.

Purpose of the Study:

  • To investigate how the primate brain integrates form and motion information.
  • To explore the neural mechanisms underlying the recognition of animate figures and inference of motion.
  • To understand the role of visual and frontal-parietal circuits in action understanding.

Main Methods:

  • Combines findings from physiological studies.
  • Utilizes brain imaging techniques.
  • Examines interactions between early/higher visual areas and frontal-parietal circuits.

Main Results:

  • Demonstrates that the primate brain integrates spatiotemporal sequences.
  • Highlights interactions between form and motion processing areas.
  • Shows involvement of frontal-parietal circuits in action understanding.

Conclusions:

  • The primate brain dynamically integrates visual form and motion.
  • Neural interactions across visual and frontal-parietal areas are key for understanding actions.
  • This integration is essential for successful interaction in complex environments.