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Videos de Conceptos Relacionados

Diencephalon: Thalamus and Information Relay01:27

Diencephalon: Thalamus and Information Relay

The thalamus, often called “the gateway to the cerebral cortex,” is vital in processing and directing sensory and motor signals throughout the brain. Almost all inputs destined for the cerebral cortex, except for olfactory signals, are relayed through the thalamus. The thalamus is  a sophisticated relay station, channeling information from various brain regions to the cerebral cortex, as well as a filter, prioritizing certain signals over others based on current physiological states or needs.
Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the posterior columns...
Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the drone...
Relative Motion Analysis - Velocity01:24

Relative Motion Analysis - Velocity

A stroke engine has a slider-crank mechanism that converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider.
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it instrumental in...
Curvilinear Motion: Rectangular Components01:23

Curvilinear Motion: Rectangular Components

Curvilinear motion characterizes the movement of a particle or object along a curved path, notably evident when envisioning a car navigating a winding road. If the car starts at point A, its position vector is established within a fixed frame of reference, where the ratio of the position vector to its magnitude signifies the unit vector pointing in the position vector's direction.
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the time...

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Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

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Path integration from optic flow and the role of eye movements.

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Video Experimental Relacionado

Updated: Jul 10, 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

Los correlatos neuronales del movimiento implícito.

Bart Krekelberg1, Sabine Dannenberg, Klaus-Peter Hoffmann

  • 1Vision Center Laboratory, The Salk Institute, La Jolla, California 92037, USA. bart@salk.edu

Nature
|August 9, 2003
PubMed
Resumen

El cerebro de los primates.

Área de la Ciencia:

  • La neurociencia es la neurociencia.
  • La percepción visual es la percepción visual.
  • Ciencias Cognitivas Ciencias Cognitivas.

Sus antecedentes:

  • Se cree que el sistema visual de los primates procesa la forma y el movimiento en vías separadas.
  • Los modelos existentes no explican cómo la forma puede ser percibida como movimiento.

Objetivo del estudio:

  • Para investigar si la información de la forma se procesa en las áreas sensibles al movimiento del cerebro.
  • Explorar los mecanismos neuronales que subyacen a la percepción del movimiento a partir de señales de forma.

Principales métodos:

  • Experimentos psicofísicos con participantes humanos y macacos.
  • Registros electrofisiológicos de células en el sulco temporal superior (STS).
  • Estimulación con patrones dinámicos de vidrio para evaluar las respuestas al movimiento implícito.

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Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
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Videos de Experimentos Relacionados

Last Updated: Jul 10, 2026

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
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A Novel Experimental and Analytical Approach to the Multimodal Neural Decoding of Intent During Social Interaction in Freely-behaving Human Infants

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Principales resultados:

  • Las células en el sulco temporal superior (STS) responden a patrones dinámicos de vidrio, que carecen de movimiento coherente pero implican una dirección.
  • Las señales de forma y movimiento en conflicto conducen a un movimiento percibido en una dirección comprometida tanto en humanos como en macacos.
  • Las respuestas de las células STS mostraron preferencias de dirección alteradas cuando se les presentó información de movimiento implícito contradictoria.

Conclusiones:

  • Zonas de movimiento prototípicas en la corteza visual dorsal, específicamente el STS, forma de proceso que implica movimiento.
  • El sistema visual puede integrar señales de forma y movimiento para percibir el movimiento, ayudando a navegar por entornos naturales complejos.