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Related Concept Videos

Introduction to Special Senses01:26

Introduction to Special Senses

Sensory receptors play an integral part in comprehending our external and internal environments. They receive diverse stimuli, converting them into the nervous system's electrochemical signals. This conversion occurs as the stimulus alters the sensory neuron's cell membrane potential, instigating the generation of an action potential. This action potential is subsequently transmitted to the central nervous system (CNS), which integrates with other sensory data or higher cognitive functions.
Sensation01:21

Sensation

Sensory receptors are specialized neurons that respond to specific types of external stimuli, initiating the process known as sensation. This occurs when sensory input, such as light entering the eye, is detected by these receptors, causing chemical changes in the cells of the retina. These cells then convert the sensory stimulus into action potentials that are transmitted to the central nervous system, a process termed transduction.
Absolute thresholds can quantify the sensitivity of sensory...
What is a Sensory System?01:31

What is a Sensory System?

Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
Sensory Perception: Organization of the Somatosensory System01:11

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...
Sensory Modalities01:15

Sensory Modalities

Sensation typically is the process by which the sensory receptors and sense organs detect stimuli from the internal and external environment and transmit this information to the central nervous system for processing.
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
Synesthesia01:27

Synesthesia

Synesthesia is a remarkable condition where stimulation of one sensory or cognitive pathway leads to automatic, involuntary experiences in a second sensory or cognitive pathway. People with synesthesia experience a blending or crossing of their senses, such as sight and sound, leading to cross-modal sensations. In this condition, the stimulation of one sense, such as hearing a number or musical note, triggers an experience of another sense, like sensing a specific color, taste, or smell. People...

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Related Experiment Video

Updated: May 15, 2026

Base Recording: A Technique for Analyzing Responses of Taste Neurons in Drosophila
04:58

Base Recording: A Technique for Analyzing Responses of Taste Neurons in Drosophila

Published on: March 1, 2024

Sensory transduction: confusing the senses.

Nerissa K Kirkwood1, Joerg T Albert

  • 1Ear Institute, University College London, London WC1X 8EE, UK.

Current Biology : CB
|January 12, 2013
PubMed
Summary

Fruit flies reveal surprising molecular links between senses. Researchers found shared mechanisms between rhodopsins and TRP channels, impacting sensory perception.

Area of Science:

  • Neuroscience and Sensory Biology
  • Molecular Biology
  • Genetics

Background:

  • Sensory perception relies on specialized protein families like rhodopsins and TRP channels.
  • Distinct sensory modalities were traditionally considered to operate independently at the molecular level.

Purpose of the Study:

  • To investigate potential molecular and mechanistic overlaps between different sensory systems.
  • To explore the roles of rhodopsins and TRP channels in inter-sensory integration.

Main Methods:

  • Utilized genetic and molecular techniques in Drosophila melanogaster models.
  • Performed electrophysiological recordings and behavioral assays to assess sensory function.
  • Analyzed gene expression and protein interactions related to sensory pathways.

More Related Videos

Electrophysiological Recording From Drosophila Labellar Taste Sensilla
06:32

Electrophysiological Recording From Drosophila Labellar Taste Sensilla

Published on: February 26, 2014

Desensitization and Recovery of Crayfish Photoreceptors Upon Delivery of a Light Stimulus
06:43

Desensitization and Recovery of Crayfish Photoreceptors Upon Delivery of a Light Stimulus

Published on: November 9, 2019

Related Experiment Videos

Last Updated: May 15, 2026

Base Recording: A Technique for Analyzing Responses of Taste Neurons in Drosophila
04:58

Base Recording: A Technique for Analyzing Responses of Taste Neurons in Drosophila

Published on: March 1, 2024

Electrophysiological Recording From Drosophila Labellar Taste Sensilla
06:32

Electrophysiological Recording From Drosophila Labellar Taste Sensilla

Published on: February 26, 2014

Desensitization and Recovery of Crayfish Photoreceptors Upon Delivery of a Light Stimulus
06:43

Desensitization and Recovery of Crayfish Photoreceptors Upon Delivery of a Light Stimulus

Published on: November 9, 2019

Main Results:

  • Identified unexpected molecular commonalities between rhodopsin- and TRP channel-mediated sensory pathways.
  • Demonstrated shared mechanistic principles governing signal transduction across different senses.
  • Fruit fly studies revealed cross-modal interactions previously uncharacterized.

Conclusions:

  • Rhodopsins and TRP channels are not exclusive to their canonical sensory functions.
  • Molecular and mechanistic overlaps suggest a more integrated sensory processing system in Drosophila.
  • These findings provide a foundation for understanding sensory integration in other organisms.