Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Visual Agnosia

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...

Depth Perception and Spatial Vision

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.

Visual System

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...

Photoreceptors and Visual Pathways

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...

Parallel Processing

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...

Gestalt Principles of Perception

Gestalt Principles of Perception

Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Making time for a dynamic attentional priority map.

Trends in cognitive sciences·2026

Same author

Biasmapping: Idiosyncratic covert search in the vicinity of fixation.

Journal of experimental psychology. Human perception and performance·2026

Same author

The Shape of Saccade-based Functional Visual Fields (FVFs): A cautionary note.

Attention, perception & psychophysics·2026

Same author

A common signal-strength factor limits awareness and precise knowledge of multiple moving objects across the adult lifespan.

Cognition·2026

Same author

Incidental Learning of Temporal and Spatial Associations in Hybrid Search.

Visual cognition·2025

Same author

A sharing practices review of the visual search and eye movements literature reveals recommendations for our field and others.

Behavior research methods·2025

Search research articles

Related Experiment Video

Updated: Sep 12, 2025

Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions

Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions

Published on: May 2, 2019

Mixed hybrid visual foraging is near optimal.

Injae Hong¹, Jeremy M Wolfe²

¹Center for Cognitive Science, Yonsei University, Seoul, South Korea.

Attention, Perception & Psychophysics

|August 5, 2025

Summary

Participants in visual foraging tasks consistently used simple rules to decide when to leave patches, even with complex targets. This behavior aligns with the marginal value theorem (MVT), showing robust foraging strategies.

Keywords:

MVT Mixed hybrid visual foraging Patch-leaving Visual foraging

More Related Videos

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping

Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping

Published on: December 8, 2023

Related Experiment Videos

Last Updated: Sep 12, 2025

Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions

Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions

Published on: May 2, 2019

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping

Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping

Published on: December 8, 2023

Area of Science:

Cognitive psychology
Behavioral ecology
Human visual foraging

Background:

Understanding decision-making in foraging is crucial for behavioral ecology.
The marginal value theorem (MVT) predicts optimal patch-leaving strategies.
Mixed hybrid foraging scenarios present complex visual search environments.

Purpose of the Study:

To investigate patch-leaving strategies in mixed hybrid visual foraging.
To determine how target specificity and the number of target sets affect foraging outcomes.
To assess the consistency of patch-leaving behavior with the marginal value theorem (MVT) under complex conditions.

Main Methods:

Participants engaged in mixed hybrid visual foraging tasks.
Target types varied in specificity (specific vs. categorical).
The number of target sets per patch was manipulated (three or six).

Main Results:

Patch-leaving behavior remained consistent with MVT predictions despite increased complexity.
Foraging performance varied based on target specificity and set number.
Decisions to leave patches adhered to a simple, rule-based approach.

Conclusions:

Visual foraging strategies are robust even in complex environments.
Patch-leaving decisions are governed by consistent, rule-based mechanisms.
The MVT provides a valid framework for understanding foraging behavior in mixed hybrid scenarios.