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Related Concept Videos

Parallel Processing01:20

Parallel Processing

The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
Cerebral Hemispheres01:05

Cerebral Hemispheres

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...
Lobes of the Cerebrum01:22

Lobes of the Cerebrum

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.

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Related Experiment Video

Updated: Jun 26, 2026

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis
10:33

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Published on: June 20, 2012

Decoding sequential stages of task preparation in the human brain.

Stefan Bode1, John-Dylan Haynes

  • 1Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany.

Neuroimage
|December 30, 2008
PubMed
Summary
This summary is machine-generated.

The intraparietal sulcus, not the prefrontal cortex, first encodes task-set information before a task begins. This challenges previous assumptions about how the brain prepares for upcoming tasks, suggesting a novel role for parietal cortex in cognitive control.

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Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks
11:31

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks

Published on: December 5, 2014

Related Experiment Videos

Last Updated: Jun 26, 2026

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis
10:33

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Published on: June 20, 2012

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks
11:31

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks

Published on: December 5, 2014

Area of Science:

  • Cognitive Neuroscience
  • Neuroimaging
  • Human Brain Function

Background:

  • Brain information flow is flexible, adapting to task demands.
  • The precise sequence of neural processes in task preparation remains unclear.

Purpose of the Study:

  • To investigate the temporal dynamics of task-related information processing in the human brain.
  • To differentiate between the encoding of task rules, stimuli, and motor responses during task preparation.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) combined with multivariate pattern classification.
  • A time-resolved decoding approach to track information buildup.
  • Analysis of information flow between parietal and prefrontal cortices.

Main Results:

  • Task-set information was successfully decoded from parietal and lateral prefrontal cortex.
  • The intraparietal sulcus encoded task-set information earlier than the prefrontal cortex.
  • The intraparietal sulcus was the sole region to encode task-set information prior to target stimulus presentation.

Conclusions:

  • Parietal cortex, specifically the intraparietal sulcus, plays a crucial role in establishing task-sets.
  • Information flow for task preparation may originate in the parietal cortex, not solely rely on prefrontal cortex input.
  • This finding suggests a revised model of cognitive control and task preparation in the brain.