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Related Concept Videos

Association Areas of the Cortex01:21

Association Areas of the Cortex

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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:
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Cranial Bones: Superior and Posterior View01:14

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The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
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Motor and Sensory Areas of the Cortex01:14

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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
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¹H NMR of Labile Protons: Temporal Resolution01:10

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Protons bonded to heteroatoms such as nitrogen and oxygen exhibit a range of chemical shift values. This is due to the varying degree of hydrogen bonding between the proton and the heteroatom in other molecules. The extent of hydrogen bonding affects the electron density around the proton, thereby giving different chemical shift values for the protons in the proton NMR spectrum.
The –OH proton in alcohols typically appears in the range of δ 2 to 5 ppm but can vary depending on the specific...
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Assessing Body Temperature - Temporal Artery01:19

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Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
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Somatosensory, Motor, and Association Cortex01:23

Somatosensory, Motor, and Association Cortex

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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...
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Related Experiment Video

Updated: Jan 24, 2026

The Power of Interstimulus Interval for the Assessment of Temporal Processing in Rodents
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Dyadic interaction processing in the posterior temporal cortex.

Jon Walbrin1, Kami Koldewyn1

  • 1School of Psychology, Bangor University, Wales, UK.

Neuroimage
|May 18, 2019
PubMed
Summary
This summary is machine-generated.

Visual perception treats interacting individuals as a unit. The extrastriate body area (EBA), not the posterior superior temporal sulcus (pSTS), uniquely represents dyadic interactions beyond individual components.

Keywords:
EBALOTCSocial interactionfMRIpSTS

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Social Cognition

Background:

  • Behavioral studies suggest visual perception of interacting individuals forms a unit, exceeding the sum of its parts.
  • Functional magnetic resonance imaging (fMRI) implicates the posterior superior temporal sulcus (pSTS) in processing social interactions, potentially representing them as qualitatively greater than constituent parts.

Purpose of the Study:

  • Investigate if posterior temporal lobe regions show a dyadic information effect, processing interacting dyads differently than isolated individuals.
  • Determine if these regions differentiate between various types of social interactions.

Main Methods:

  • Multivoxel pattern analysis (MVPA) was employed.
  • A classifier was trained to distinguish between different types of dyadic interactions using fMRI data.
  • Regions of interest included pSTS, extrastriate body area (EBA), face-selective STS, and temporo-parietal junction.

Main Results:

  • Above-chance classification of interactions was achieved in the pSTS and EBA.
  • A dyadic information effect was observed in the EBA, but not the pSTS.
  • EBA's classification of dyadic interactions did not fully generalize to isolated individuals, indicating unique dyadic information.

Conclusions:

  • The extrastriate body area (EBA) uniquely represents information about dyadic interactions, not fully captured by individual components.
  • While pSTS processes social interactions, EBA demonstrates a distinct 'dyadic information effect'.
  • Findings support the idea that the brain processes social interactions as integrated units, particularly within the EBA.