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Related Concept Videos

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,...
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.
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...
Role of Hippocampus in Memory01:19

Role of Hippocampus in Memory

The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...

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Related Experiment Video

Updated: May 19, 2026

Modeling the Functional Network for Spatial Navigation in the Human Brain
05:55

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

Spatial relations and spatial locations are dissociated within prefrontal and parietal cortex.

Christopher M Ackerman1, Susan M Courtney

  • 1Department of Neuroscience, Johns Hopkins University, Baltimore, Maryland 21218-2686, USA.

Journal of Neurophysiology
|August 17, 2012
PubMed
Summary

The brain processes item locations using attention networks, while spatial relationships engage cognitive control networks. This dissociation reveals how the brain handles different types of spatial information.

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Area of Science:

  • Cognitive Neuroscience
  • Neuroimaging
  • Spatial Cognition

Background:

  • Spatial information is crucial for object interaction, scene recognition, and complex reasoning.
  • Understanding how the brain distinguishes between item-specific and relational spatial information is key.

Purpose of the Study:

  • To investigate the neural encoding and maintenance of item locations versus spatial relations.
  • To contrast the brain networks involved in processing these two types of spatial information.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was employed.
  • Direct contrast between neural activity for item locations and spatial relations in visual scenes.
  • Pattern classification analysis to decode relational meaning.

Main Results:

  • A double dissociation was observed between item-specific and relational spatial processing.
  • Item-specific processing activates frontoparietal attention networks (superior frontal sulcus, intraparietal sulcus).
  • Relational processing recruits cognitive control networks (lateral prefrontal cortex, inferior parietal lobule), with meaning decoded in rostrolateral PFC.

Conclusions:

  • Distinct brain networks support item-specific and relational spatial information.
  • Findings support a hierarchical organization of the prefrontal cortex for representing spatial relationships.