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Related Concept Videos

Factors Affecting Perception01:25

Factors Affecting Perception

Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
Perceptual Constancy01:12

Perceptual Constancy

Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
Perception01:28

Perception

Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Gestalt Principles of Perception01:21

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...
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.
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.

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Methods for Presenting Real-world Objects Under Controlled Laboratory Conditions
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Published on: June 21, 2019

See it with feeling: affective predictions during object perception.

L F Barrett1, Moshe Bar

  • 1Boston CollegeChestnut Hill, MA 02467, USA. barretli@bc.edu

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
|June 17, 2009
PubMed
Summary
This summary is machine-generated.

The brain uses past emotional experiences to predict the meaning and value of current visual input. This affective prediction shapes how we see and interact with the world immediately.

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Psychology

Background:

  • Human vision involves more than just identifying objects; it includes emotional responses.
  • Verbal descriptions of seeing (gaze, behold, stare, gape, glare) suggest an affective component.

Purpose of the Study:

  • To propose the Affective Prediction Hypothesis.
  • To explain how past affective impacts influence present visual perception and action.

Main Methods:

  • Theoretical development of the Affective Prediction Hypothesis.
  • Analysis of the interplay between visual processing and emotional salience.

Main Results:

  • The brain's current visual perception integrates past affective impact.
  • Affective responses are integral to, not separate from, visual identification and salience detection.

Conclusions:

  • Affective prediction is a fundamental aspect of vision, influencing perception from initial visual stimulation.
  • This hypothesis reframes our understanding of how emotions and vision are interconnected in the brain.