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If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
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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.
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Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in...
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Sight distance on vertical curves is critical in roadway design. It ensures drivers can see far enough ahead to identify and respond to hazards effectively. This directly impacts safety, driver comfort, and the overall efficiency of the transportation network.Vertical curves are classified into crest and sag curves based on their geometry. For crest curves, sight distance is determined by the line of sight between a driver's eye and a small object on the road's surface. Design parameters for...
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Video Experimental Relacionado

Updated: Jan 15, 2026

A View of Their Own: Capturing the Egocentric View of Infants and Toddlers with Head-Mounted Cameras
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Extensión de límites durante la visualización naturalista

Akseli Pullinen1,2,3, Riikka Mononen1,4, Jaana Simola5,6

  • 1Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, Finland.

Journal of vision
|January 14, 2026
PubMed
Resumen
Este resumen es generado por máquina.

La extensión de límites, un fenómeno de la memoria, se probó en entornos naturalistas de realidad virtual. Los hallazgos muestran que este efecto de memoria ocurre más allá de las simples imágenes 2D, generalizándose a los comportamientos de visualización del mundo real.

Palabras clave:
extensión de límitesrealidad virtualmemoria visualpercepción visualentornos 3D

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Área de la Ciencia:

  • Psicología Cognitiva
  • Interacción Humano-Computadora
  • Investigación en Realidad Virtual

Sus antecedentes:

  • La extensión de los límites describe el recuerdo visual que excede los límites del campo visual.
  • La mayoría de las investigaciones previas utilizaron imágenes 2D, lo que limita la aplicabilidad en el mundo real.
  • La generalización a entornos 3D naturalistas se mantuvo poco investigada.

Objetivo del estudio:

  • Investigar la extensión de los límites en entornos 3D de realidad virtual.
  • Determinar si la extensión de los límites ocurre con el comportamiento de visualización naturalista.
  • Evaluar el papel de los límites visibles en la obtención de la extensión de los límites.

Principales métodos:

  • Un experimento de realidad virtual con 60 participantes explorando 20 entornos interiores 3D naturalistas.
  • Los participantes vieron escenas y luego regresaron para igualar su punto de vista original.
  • Se permitió la exploración visual libre y el movimiento dentro de los entornos virtuales.

Principales resultados:

  • Los puntos de vista finales de los participantes indicaron campos de visión más amplios que las vistas iniciales, lo que confirma la extensión de los límites.
  • El efecto fue más pronunciado en las vistas de primer plano.
  • La extensión de los límites fue mayor cuando el movimiento fue hacia adelante desde un campo de visión más amplio.

Conclusiones:

  • La extensión de los límites no se limita a estímulos 2D y se generaliza a la visualización 3D naturalista.
  • El fenómeno puede ocurrir sin límites de imagen visibles.
  • La realidad virtual proporciona un método viable para estudiar fenómenos de memoria en entornos ecológicamente válidos.