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Related Concept Videos

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.
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,...
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...
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...
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...

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

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Published on: February 20, 2014

Parahippocampal cortex: translating vision into space.

Christian F Doeller1, Raphael Kaplan

  • 1Donders Institute for Brain, Cognition and Behaviour, Centre for Cognitive Neuroimaging, Radboud University Nijmegen, Nijmegen, The Netherlands. christian.doeller@donders.ru.nl

Current Biology : CB
|August 9, 2011
PubMed
Summary
This summary is machine-generated.

New brain imaging studies reveal the parahippocampal cortex represents spatial information at a basic level. This finding advances our understanding of human spatial cognition and brain function.

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Published on: February 20, 2014

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Neuroimaging

Background:

  • The parahippocampal cortex is implicated in various cognitive functions, including memory and spatial processing.
  • Understanding information representation in this region is crucial for deciphering brain mechanisms.

Purpose of the Study:

  • To investigate how the human parahippocampal cortex represents information.
  • To determine the level of spatial representation within this brain area.

Main Methods:

  • Analysis of data from two independent neuroimaging studies.
  • Comparison of findings from studies employing different experimental paradigms.

Main Results:

  • Both studies provided converging evidence for the role of the parahippocampal cortex in spatial representation.
  • The parahippocampal cortex appears to process spatial information at an elementary level.

Conclusions:

  • The parahippocampal cortex plays a fundamental role in encoding spatial information.
  • These findings contribute to a refined model of human spatial cognition and neural representation.