Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

8.9K
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....
8.9K
Somatosensory, Motor, and Association Cortex01:23

Somatosensory, Motor, and Association Cortex

4.0K
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...
4.0K
Association Areas of the Cortex01:21

Association Areas of the Cortex

10.4K
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,...
10.4K
Cerebral Hemispheres01:05

Cerebral Hemispheres

3.1K
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
3.1K
Vision01:24

Vision

61.4K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
61.4K
Neural Circuits01:25

Neural Circuits

3.2K
Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
3.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Learning shapes neural geometry in the primate prefrontal cortex.

Nature neuroscience·2026
Same author

Frequency-specific resting state fMRI features in gliomas.

Journal of neuro-oncology·2026
Same author

Multiple brain activation patterns underlying successful visual short-term memory across the adult lifespan.

Imaging neuroscience (Cambridge, Mass.)·2026
Same author

Paying attention to John Duncan.

Neuropsychologia·2025
Same author

External task switches activate default mode regions without enhanced processing of the surrounding scene.

Imaging neuroscience (Cambridge, Mass.)·2025
Same author

Default mode network activation at task switches reflects mental task-set structure.

Imaging neuroscience (Cambridge, Mass.)·2025
Same journal

Differentiation of cortical areas: effects of free energy minimization with broken symmetry.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Prior exposure to speech rapidly modulates cortical processing of high-level linguistic structure.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Beta bursts in SMA mediate anticipatory muscle inhibition.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Cognitive load modulates the effects of social contexts on facial expression processing.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

The neural mechanisms of aligning spatial perspectives.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Relationships between bilateral tapping skills and brain gray matter volumes: a voxel-based morphometry study.

Cerebral cortex (New York, N.Y. : 1991)·2026
See all related articles

Related Experiment Video

Updated: Mar 25, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

8.8K

Neural Coding for Instruction-Based Task Sets in Human Frontoparietal and Visual Cortex.

Paul S Muhle-Karbe1,2, John Duncan3, Wouter De Baene1,4

  • 1Department of Experimental Psychology, Ghent University, Gent, Belgium.

Cerebral Cortex (New York, N.Y. : 1991)
|February 25, 2016
PubMed
Summary
This summary is machine-generated.

The brain organizes task instructions into a "task set" for efficient, reflex-like performance. This proactive organization, distinct from simple memory storage, optimizes sensorimotor pathways for faster reaction times.

Keywords:
MVPAcognitive controlfrontoparietal cortextask preparationvisual cortexworking memory

More Related Videos

Performing Behavioral Tasks in Subjects with Intracranial Electrodes
12:10

Performing Behavioral Tasks in Subjects with Intracranial Electrodes

Published on: October 2, 2014

12.0K
Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze
11:15

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

Published on: February 20, 2014

13.6K

Related Experiment Videos

Last Updated: Mar 25, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

8.8K
Performing Behavioral Tasks in Subjects with Intracranial Electrodes
12:10

Performing Behavioral Tasks in Subjects with Intracranial Electrodes

Published on: October 2, 2014

12.0K
Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze
11:15

Automated Visual Cognitive Tasks for Recording Neural Activity Using a Floor Projection Maze

Published on: February 20, 2014

13.6K

Area of Science:

  • Cognitive Neuroscience
  • Neuroimaging
  • Human Brain Research

Background:

  • Traditional views posit task preparation relies on persistent instruction representations for delayed execution.
  • Emerging evidence indicates that merely retaining task knowledge is insufficient for optimal performance.

Purpose of the Study:

  • To investigate if the brain organizes instructions into a "task set" for proactive sensorimotor pathway tuning.
  • To differentiate neural coding of instructions for implementation versus memorization using neuroimaging.

Main Methods:

  • A novel experimental paradigm distinguishing between instruction implementation and memorization.
  • Multivoxel pattern analysis (MVPA) of neuroimaging data during the pre-target phase.
  • Analysis of neural representations of instructions under different task demands.

Main Results:

  • Participants retained instructions in both implementation and memorization conditions.
  • To-be-memorized instructions were decoded from visual short-term memory regions (mid-occipital, posterior parietal cortex).
  • To-be-implemented instructions were decoded from multiple-demand and visual processing regions, correlating with faster performance when prepared.

Conclusions:

  • The brain proactively organizes instructions into a "task set" for efficient, reflex-like task execution.
  • Neural representations differ significantly between preparing instructions for use and merely storing them for recall.
  • This study dissociates neural mechanisms of task control from those of short-term memory storage.