Related Experiment Video
Updated: Jun 21, 2026
06:17
Assessing Human Spatial Navigation in a Virtual Space and its Sensitivity to Exercise
Published on: January 26, 2024
The human parahippocampal cortex subserves egocentric spatial learning during navigation in a virtual maze.
Godehard Weniger1, Jakob Siemerkus, Carsten Schmidt-Samoa
1Department of Social and General Psychiatry, University of Zürich, Switzerland.
Neurobiology of Learning and Memory
|August 18, 2009
Summary
The parahippocampal cortex (PHC) plays a key role in egocentric spatial learning. This brain region is crucial for navigating environments using body-centered cues, contributing to spatial memory formation.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neuroimaging
Background:
- The hippocampus (HC) and parahippocampal cortex (PHC) are implicated in allocentric spatial memory.
- The PHC's role in egocentric spatial learning requires further investigation.
Purpose of the Study:
- To investigate the PHC's involvement in egocentric spatial learning.
- To understand how the PHC contributes to body-centered navigation.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was used.
- 19 healthy volunteers navigated a virtual maze without landmarks.
- Participants relied solely on egocentric navigation strategies.
Main Results:
- Increased bilateral PHC activity was observed during egocentric learning.
- Activity in cortical areas projecting to the PHC was also noted.
- These areas are associated with egocentric spatial navigation and memory.
Conclusions:
- The PHC is vital for representing and storing egocentric spatial information.
- PHC feedback projections to the posterior parietal cortex may support egocentric memory.
- The PHC integrates allocentric and egocentric information for comprehensive spatial representation and cognitive map construction.
Related Concept Videos
01:19Role 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...
01:23Somatosensory, 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...