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Related Concept Videos

Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

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.
Association Areas of the Cortex01:21

Association Areas of the Cortex

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

Somatosensory, Motor, and Association Cortex

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 the...

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Related Experiment Video

Updated: Jun 21, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
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Animate and inanimate objects in human visual cortex: Evidence for task-independent category effects.

Alison J Wiggett1, Iwan C Pritchard, Paul E Downing

  • 1School of Psychology, Adeilad Brigantia, Bangor University, Bangor, Gwynedd LL572AS, Wales, UK. a.wiggett@bangor.ac.uk

Neuropsychologia
|July 28, 2009
PubMed
Summary

The human brain processes animate and inanimate objects differently, activating distinct visual regions. This animacy bias in the ventral visual stream is independent of specific task demands, suggesting a fundamental cognitive distinction.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neuroimaging

Background:

  • The distinction between animate and inanimate objects is considered fundamental to human cognition.
  • Previous neuroimaging studies suggest ventrolateral and ventromedial visual brain regions are differentially activated by animate and inanimate objects, respectively.
  • However, the influence of task demands on these observed animacy biases remains debated.

Purpose of the Study:

  • To investigate whether a lateral-medial animacy bias in visual brain regions is consistent across diverse stimuli and tasks.
  • To determine if task demands modulate the neural representation of animacy.
  • To explore the role of category-selective regions in animacy processing.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was used to measure brain activity.
  • Participants performed match/mismatch judgments on sequential pairs of object images at general, intermediate, and exemplar levels.
  • Stimuli included a variety of animate and inanimate objects.

Main Results:

  • Consistent ventrolateral activation for animate objects and ventromedial activation for inanimate objects was observed.
  • No significant main effect of task or interaction between task and animacy was found in the relevant regions of interest.
  • No subpopulation of voxels exhibited a significant task by animacy interaction.

Conclusions:

  • Ventral processing biases for animate versus inanimate objects are not solely dependent on top-down task orientation.
  • These findings suggest a more intrinsic neural basis for animacy categorization.
  • The study considers whether these activations reflect biases within category-selective visual areas.