Related Experiment Video
Updated: Nov 29, 2025
09:42
Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns
Published on: May 12, 2019
6.3K
Stimulus-Specific Visual Working Memory Representations in Human Cerebellar Lobule VIIb/VIIIa
James A Brissenden1,2, Sean M Tobyne3, Mark A Halko4
1Department of Psychology, University of Michigan, Ann Arbor, Michigan 48109 somers@bu.edu brissend@umich.edu.
Summary
The cerebellum, specifically lobule VIIb/VIIIa, actively encodes visual working memory (VWM) content. This finding suggests the cerebellum is part of the brain network for storing visual information.
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Neuroimaging
Background:
- Cerebellar lobule VIIb/VIIIa shows increased activity with higher visual working memory (VWM) load.
- It is debated whether this activity is VWM-specific or related to general visual attention.
Purpose of the Study:
- To determine if cerebellar activity during VWM tasks encodes specific visual stimuli.
- Investigate the role of cerebellar lobule VIIb/VIIIa in mnemonic representation.
Main Methods:
- fMRI was used to examine brain activity in human subjects during a VWM continuous report task.
- Subjects performed a task involving remembering the direction of motion of visual stimuli.
Main Results:
- Cerebellar lobule VIIb/VIIIa activity patterns decoded the direction of remembered visual stimuli.
- Specific medial and lateral portions of lobule VIIb/VIIIa showed stimulus-specific coding, unlike other cerebellar areas.
Conclusions:
- Cerebellar lobule VIIb/VIIIa participates in the stimulus-specific coding of visual working memory.
- These findings extend the known brain network for mnemonic representation to include the cerebellum.
Related Concept Videos
01:24Working Memory
593
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
593
01:14Motor and Sensory Areas of the Cortex
6.0K
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....
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....
6.0K
01:14Role of Cerebellum and Prefrontal Cortex in Memory
814
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...
814
01:17Cerebellum: Anatomical Regions
3.4K
The cerebellum, also known as the "little brain," is located in the posterior cranial fossa, inferior to the tentorium cerebelli and dorsal to the brainstem. It plays a significant role in motor control, coordination, and proprioception.
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...
3.4K
01:22Lobes of the Cerebrum
2.9K
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....
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements....
2.9K
01:28Major Somatic Sensory Pathways
1.9K
Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
1.9K