Related Experiment Video
Updated: Jun 16, 2026
10:06
High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain
Published on: May 10, 2012
Imaging the human medial temporal lobe with high-resolution fMRI
Valerie A Carr1, Jesse Rissman, Anthony D Wagner
1Department of Psychology, Stanford University, Stanford, CA 94305, USA. valerie.carr@stanford.edu
Neuron
|February 18, 2010
Summary
High-resolution functional MRI reveals diverse functions within human medial temporal lobe substructures. This technique promises to unify research across human, animal, and computational studies of memory.
Area of Science:
- Neuroimaging
- Cognitive Neuroscience
- Human Brain Function
Background:
- The medial temporal lobe (MTL) is crucial for memory.
- Understanding MTL subregion function is complex.
- High-resolution functional MRI (hr-fMRI) offers new insights.
Purpose of the Study:
- To review initial hr-fMRI studies on human MTL.
- To delineate encoding/retrieval, pattern separation/completion, and representational capabilities.
- To highlight hr-fMRI's potential for integrated research.
Main Methods:
- Review of existing high-resolution functional MRI (hr-fMRI) studies.
- Analysis focused on hippocampal and MTL subregions.
- Examination of functional processes like memory encoding and retrieval.
Main Results:
- Evidence of functional heterogeneity within human MTL substructures.
- Specific roles of hippocampal subfields in memory processes identified.
- Distinct representational capacities of various MTL subregions demonstrated.
Conclusions:
- hr-fMRI effectively reveals functional specialization within the human MTL.
- The findings support a heterogeneous functional organization of the MTL.
- hr-fMRI is a promising tool for unifying human, animal, and computational memory research.
Related Concept Videos
01:24Magnetic Resonance Imaging
Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
01:14Brain Imaging
Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans), magnetic resonance imaging (MRI), functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans), magnetic resonance imaging (MRI), functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).