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Perception

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 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...

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.

Language and Cognition

Language and Cognition

Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.

Factors Affecting Perception

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...

Language

Language

Language is a unique communication system that uses words and systematic rules to organize and transmit information. Unlike other forms of communication, which may involve postures, movements, odors, or vocalizations, language relies on symbols and grammar. This makes human communication distinct from that of other species, who also communicate but do not use language in the same way humans do.
Corballis and Suddendorf (2007) and Tomasello and Rakoczy (2003) highlight the role of language in...

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Related Experiment Video

Updated: May 27, 2026

The (Spatial) Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition

The (Spatial) Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition

Published on: February 19, 2018

Language, perception, and the schematic representation of spatial relations.

Prin Amorapanth¹, Alexander Kranjec, Bianca Bromberger

¹Neurology Department and the Center for Cognitive Neuroscience, University of Pennsylvania, Philadelphia, PA, USA.

Brain and Language

|November 11, 2011

Summary

This summary is machine-generated.

This study reveals that the left hemisphere is crucial for understanding spatial language, while the right hemisphere uniquely processes schematic spatial information from images.

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Area of Science:

Neuroscience
Cognitive Psychology
Spatial Cognition

Background:

Schemas are abstract, nonverbal representations of spatial relations, vital for maps and diagrams.
Neural underpinnings of schematic representations remain largely unexplored.
Distinguishing schematic processing from language and rich perception is key.

Purpose of the Study:

To investigate the neural basis of schematic spatial representations.
To determine if schematic processing is distinct from language and rich perceptual processing.
To identify hemispheric specialization in processing categorical spatial relations.

Main Methods:

Utilized matching tasks assessing comprehension of categorical spatial relations.
Compared performance across representational formats: words, pictures, and schemas.
Employed voxel-based lesion-symptom mapping (VLSM) in patients with unilateral brain damage.

Main Results:

Left hemisphere damaged patients underperformed right hemisphere damaged patients on all tasks.
Left hemisphere deficits in spatial relation representation were linked to naming deficits.
The right hemisphere showed a specialized role in extracting schematic information from detailed pictures.

Conclusions:

Left hemisphere damage impairs both representation and naming of categorical spatial relations.
The right hemisphere is critical for extracting abstract schematic spatial information.
Schematic representations are neurally distinct from both linguistic and rich perceptual formats.