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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...
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
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...
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.
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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Related Experiment Video

Updated: Jun 21, 2026

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
09:46

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions

Published on: May 10, 2012

3D surface perception from motion involves a temporal-parietal network.

Anton L Beer1, Takeo Watanabe, Rui Ni

  • 1Department of Psychology, Boston University, Boston, MA, USA. anton.beer@psychologie.uni-r.de

The European Journal of Neuroscience
|August 14, 2009
PubMed
Summary
This summary is machine-generated.

Human brain activity during 3D structure-from-motion (SFM) perception was studied using fMRI. Findings indicate the superior temporal sulcus (STS) plays a key role in human 3D SFM, challenging previous assumptions.

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Last Updated: Jun 21, 2026

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
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Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
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Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

Area of Science:

  • Neuroscience
  • Visual Perception
  • Cognitive Neuroscience

Background:

  • Human 3D structure-from-motion (SFM) perception involves occipital and parietal areas.
  • Nonhuman primate SFM perception implicates temporal lobe areas like MT, MST, and FST.

Purpose of the Study:

  • To compare human brain activity during 3D SFM perception of different visual stimuli.
  • To investigate the roles of specific motion-sensitive brain regions, including the superior temporal sulcus (STS).

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was used to measure brain activity.
  • Human observers viewed stimuli defining 3D corrugated surfaces or random volumes.
  • Controlled for low-level stimulus features and attention.

Main Results:

  • 3D corrugated surfaces activated occipital and parietal areas (V3A, IPS, LOS, FG) more than random motion.
  • Increased activity was observed in human area MT and STS, but not MST.
  • STS activity correlated with individual differences in 3D surface perception.

Conclusions:

  • Area MT likely analyzes optic flow patterns like speed gradients.
  • The human STS plays a more significant role in 3D SFM than previously understood.
  • Findings refine our understanding of the neural basis of 3D visual perception.