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Related Concept Videos

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,...
Vision01:24

Vision

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.
Visual System01:26

Visual System

Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
Anatomy of the Eyeball01:20

Anatomy of the Eyeball

The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle layer, the vascular tunic,...
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.
Prosopagnosia01:24

Prosopagnosia

Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...

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Related Experiment Video

Updated: Jun 8, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
07:34

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

Does visual subordinate-level categorisation engage the functionally defined fusiform face area?

I Gauthier, M J Tarr, J Moylan

    Cognitive Neuropsychology
    |October 15, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Subordinate-level processing, like identifying an eagle, activates specific brain regions more than basic-level processing (e.g., bird). This suggests unique neural mechanisms for detailed visual and semantic judgments.

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    Creating Objects and Object Categories for Studying Perception and Perceptual Learning

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    Related Experiment Videos

    Last Updated: Jun 8, 2026

    Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
    07:34

    Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

    Published on: June 3, 2013

    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

    Creating Objects and Object Categories for Studying Perception and Perceptual Learning
    14:38

    Creating Objects and Object Categories for Studying Perception and Perceptual Learning

    Published on: November 2, 2012

    Area of Science:

    • Neuroscience
    • Cognitive Psychology
    • Neuroimaging

    Background:

    • Understanding how the brain processes detailed visual and semantic information is crucial for cognitive science.
    • Previous research has explored brain activation patterns for object recognition, but distinctions between basic and subordinate levels require further investigation.

    Purpose of the Study:

    • To compare brain activation during basic-level versus subordinate-level processing using functional magnetic resonance imaging (fMRI).
    • To investigate the neural correlates of visual and semantic judgments at different levels of categorization.
    • To examine the role of the 'face area' in subordinate-level processing.

    Main Methods:

    • Functional magnetic resonance imaging (fMRI) was employed to measure brain activity.
    • Participants performed visual and semantic judgment tasks involving basic-level (e.g., bird) and subordinate-level (e.g., eagle) stimuli.
    • Individual face areas were localized to assess their involvement in subordinate-level processing.

    Main Results:

    • Subordinate-level visual judgments recruited the middle fusiform and occipital gyri, indicating enhanced perceptual processing.
    • Individually localized face areas in the middle fusiform gyri were activated during subordinate-level processing.
    • The parahippocampal gyri showed greater activation for subordinate-level semantic judgments compared to basic-level.
    • The left posterior inferior temporal gyrus was activated for both visual and semantic subordinate-level judgments and during passive face viewing.

    Conclusions:

    • Subordinate-level processing, particularly in visual and semantic domains, engages distinct neural pathways compared to basic-level processing.
    • The middle fusiform gyrus, including the face area, plays a role in subordinate-level visual identification, potentially due to focal activation patterns.
    • Specific brain regions like the parahippocampal and left posterior inferior temporal gyri are implicated in detailed semantic and visual categorization.