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

Association Areas of the Cortex

Association Areas of the Cortex

Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...

Olfaction

Olfaction

The sense of smell is achieved through the activities of the olfactory system. It starts when an airborne odorant enters the nasal cavity and reaches olfactory epithelium (OE). The OE is protected by a thin layer of mucus, which also serves the purpose of dissolving more complex compounds into simpler chemical odorants. The size of the OE and the density of sensory neurons varies among species; in humans, the OE is only about 9-10 cm2.
The olfactory receptors are embedded in the cilia of the...

Perceptual Constancy

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...

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...

Motor and Sensory Areas of the Cortex

Motor and Sensory Areas of the Cortex

The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.

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...

You might also read

Related Articles

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

Sort by

Same author

Prefrontal parvalbumin neurons mediate working memory in a task demand-dependent manner.

Nature communications·2026

Same author

From adaptive to maladaptive myelination: White matter dynamics in cognition and neurologic disorders.

Neuroscience and biobehavioral reviews·2026

Same author

Citric acid water as an alternative to food restriction to motivate task performance in mice during touchscreen testing.

Lab animal·2026

Same author

Age-related impairments in visual recall depend on what you are remembering.

Neuropsychologia·2026

Same author

A dual role of hippocampal perineuronal nets in plasticity and protection is revealed by improvement and impairment of diet-induced memory dysfunction.

Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology·2026

Same author

Impairment in stimulus-response learning as a cognitive biomarker in a model of synucleinopathy.

Translational psychiatry·2026

Search research articles

Related Experiment Video

Updated: Jul 9, 2026

Novel Object Recognition Test for the Investigation of Learning and Memory in Mice

Novel Object Recognition Test for the Investigation of Learning and Memory in Mice

Published on: August 30, 2017

Perirhinal cortex resolves feature ambiguity in configural object recognition and perceptual oddity tasks.

Susan J Bartko¹, Boyer D Winters, Rosemary A Cowell

¹Department of Experimental Psychology, University of Cambridge, Cambridge CB2 3EB, United Kingdom. sjb237@cam.ac.uk

Learning & Memory (Cold Spring Harbor, N.Y.)

|December 19, 2007

Summary

The perirhinal cortex (PRh) is crucial for object recognition and resolving visual ambiguity. Lesions to PRh and adjacent areas impaired rats in tasks requiring configural representations, supporting its dual role in memory and perception.

More Related Videos

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

Related Experiment Videos

Last Updated: Jul 9, 2026

Novel Object Recognition Test for the Investigation of Learning and Memory in Mice

Novel Object Recognition Test for the Investigation of Learning and Memory in Mice

Published on: August 30, 2017

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

Area of Science:

Neuroscience
Cognitive Science
Computational Neuroscience

Background:

The perirhinal cortex (PRh) is recognized for its role in object recognition memory.
Emerging evidence suggests PRh involvement in visual discrimination tasks, potentially by resolving feature ambiguity through conjunctive representations.

Purpose of the Study:

To investigate the relationship between the PRh's ability to resolve configural feature ambiguity and its function in object recognition.
To determine if lesions to the PRh or perirhinal plus post-rhinal cortices (PPRh) impact performance on configural object recognition and oddity discrimination tasks.

Main Methods:

Bilateral excitotoxic lesions were made in the PRh or PPRh of rats.
Rats were tested on configural spontaneous object recognition tasks (minimal and zero delay) and a configural simultaneous oddity discrimination task.

Main Results:

Rats with PPRh lesions showed deficits in both minimal-delay and zero-delay configural object recognition tasks.
Rats with localized PRh lesions were impaired in the configural simultaneous oddity discrimination task, which necessitates conjunctive representations.

Conclusions:

The findings support the hypothesis that the PRh utilizes conjunctive representations to resolve feature ambiguity.
These representations are fundamental to the PRh's dual role in both memory and perceptual processing.