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Functional Mapping with Simultaneous MEG and EEG
Published on: June 14, 2010
A roadmap to brain mapping: toward a functional map of human parietal cortex
Melina R Uncapher1, J Benjamin Hutchinson, Anthony D Wagner
1Department of Psychology, Stanford University, Stanford, CA 94305-2130, USA. melina.u@stanford.edu
Neuron
|July 14, 2010
Summary
Researchers mapped the human lateral parietal cortex using brain activity during tasks and at rest. This new brain map clarifies the parietal cortex's role in cognitive functions like memory retrieval.
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Neuroimaging
Background:
- The lateral parietal cortex is crucial for various cognitive functions.
- Previous parcellations of this region have limitations.
- Understanding its functional organization is key to cognitive neuroscience.
Discussion:
- Nelson et al. introduce a novel parcellation of the human lateral parietal cortex.
- This parcellation integrates task-based functional magnetic resonance imaging (fMRI) data with resting-state functional connectivity (rsFC).
- The study provides a more refined understanding of the lateral parietal cortex's functional architecture.
Key Insights:
- A new functional parcellation of the lateral parietal cortex is presented.
- This parcellation is based on distinct task-evoked response profiles and rsFC.
- Findings contribute to understanding parietal contributions to cognition, particularly episodic memory retrieval.
Outlook:
- This refined map can guide future research on parietal cortex function.
- It offers a framework for investigating cognitive disorders involving the parietal lobe.
- Further studies can explore the dynamic interactions within these newly defined parietal regions.
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