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

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...

Vision

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.

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.

Sensory Perception: Organization of the Somatosensory System

Sensory Perception: Organization of the Somatosensory System

The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the stimulus...

Somatosensation

Somatosensation

The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.

Somatosensory, Motor, and Association Cortex

Somatosensory, Motor, and Association Cortex

The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at the...

You might also read

Related Articles

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

Sort by

Same author

Extrinsic inputs underscore heterogeneities of ELL pyramidal cell neural activity in awake, behaving weakly electric fish.

The Journal of general physiology·2026

Same author

In vivo neural activity of electrosensory pyramidal cells: Biophysical characterization and phenomenological modeling.

PLoS computational biology·2025

Same author

Burst firing optimizes invariant coding of natural communication signals by electrosensory neural populations.

iScience·2025

Same author

Electrosensory midbrain neurons optimally decode ascending input during object localization.

The Journal of physiology·2025

Same author

Why the brown ghost chirps at night.

eLife·2025

Same author

Nonresponsive Neurons Improve Population Coding of Object Location.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2024

Search research articles

Related Experiment Video

Updated: Jul 4, 2026

Multiscale Investigations of Cortical Processing by Integrating Laminar Polytrodes and Optogenetics with Micro Electrocorticography in Rodents

Multiscale Investigations of Cortical Processing by Integrating Laminar Polytrodes and Optogenetics with Micro Electrocorticography in Rodents

Published on: May 23, 2025

Temporal processing across multiple topographic maps in the electrosensory system.

Rüdiger Krahe¹, Joseph Bastian, Maurice J Chacron

¹Department of Biology, McGill University, 1205 Ave. Docteur Penfield, Montreal, QC H3A 1B1, Canada. rudiger.krahe@mcgill.ca

Journal of Neurophysiology

|May 30, 2008

Summary

This summary is machine-generated.

Sensory maps in the brain process stimuli differently. Calcium-dependent mechanisms in two maps enable stimulus-specific frequency tuning, unlike a third map acting as a low-pass filter.

More Related Videos

Examining Local Network Processing using Multi-contact Laminar Electrode Recording

Examining Local Network Processing using Multi-contact Laminar Electrode Recording

Published on: September 8, 2011

Related Experiment Videos

Last Updated: Jul 4, 2026

Multiscale Investigations of Cortical Processing by Integrating Laminar Polytrodes and Optogenetics with Micro Electrocorticography in Rodents

Multiscale Investigations of Cortical Processing by Integrating Laminar Polytrodes and Optogenetics with Micro Electrocorticography in Rodents

Published on: May 23, 2025

Examining Local Network Processing using Multi-contact Laminar Electrode Recording

Examining Local Network Processing using Multi-contact Laminar Electrode Recording

Published on: September 8, 2011

Area of Science:

Neuroscience
Sensory processing
Computational neuroscience

Background:

The nervous system utilizes multiple topographic representations of sensory space.
These maps are thought to enable specialized processing of diverse sensory stimuli attributes.

Purpose of the Study:

To compare neuronal response properties across three parallel sensory maps.
To investigate stimulus class-specific processing of prey and conspecific cues.
To elucidate the role of intrinsic cellular mechanisms in sensory map function.

Main Methods:

Information-theoretic approaches and phase locking measures quantified neuronal responses.
Stimuli mimicking prey and conspecifics were used.
Calcium (Ca2+) chelator injection explored intrinsic cellular mechanisms.

Main Results:

One sensory map exhibited frequency-independent low-pass filtering.
Two other maps showed stimulus-class-dependent switches in frequency tuning (band-pass/high-pass).
Linear decoding recovered only a fraction of encoded information, especially for low-pass neurons at high frequencies.
Ca2+ chelation altered tuning in the two stimulus-dependent maps but not the low-pass map.

Conclusions:

Ca2+-dependent processes are crucial for differentiating functional roles of sensory maps.
These findings offer insights into the evolution of sensory processing in the vertebrate brain.
Differential tuning mechanisms contribute to specialized sensory information processing.