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Related Concept Videos

Somatosensation01:33

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.
Tactile and Chemical Senses01:27

Tactile and Chemical Senses

Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex. This...
Auditory Pathway01:15

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...
Auditory Perception01:17

Auditory Perception

The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the cochlea, a...
Techniques of therapeutic communication I: Active Listening, Sharing Observations, Validation, and Using Touch01:15

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The history of therapeutic communication can be traced back to Florence Nightingale, who emphasized the importance of developing trusting relationships with patients. She taught that the presence of nurses with patients results in therapeutic healing.
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Motor and Sensory Areas of the Cortex01:14

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.

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Related Experiment Video

Updated: May 24, 2026

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
09:38

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

Published on: January 29, 2014

Thinking about touch facilitates tactile but not auditory processing.

Helen A Anema1, Alyanne M de Haan, Titia Gebuis

  • 1Experimental Psychology, Helmholtz Institute, Utrecht University, Utrecht, The Netherlands. helen.anema@gmail.com

Experimental Brain Research
|February 23, 2012
PubMed
Summary
This summary is machine-generated.

Imagining touch (tactile imagery) speeds up responses to real touch stimuli, while imagining sound speeds up sound responses. This study shows tactile imagery influences tactile perception.

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Area of Science:

  • Cognitive Neuroscience
  • Psychology

Background:

  • Mental imagery is crucial for conscious experience, but tactile imagery is understudied compared to visual, auditory, and motor imagery.
  • Research has primarily focused on sensory modalities other than touch, leaving a gap in understanding tactile imagery's effects.

Purpose of the Study:

  • To investigate the behavioral impact of tactile imagery on tactile perception.
  • To compare the effects of tactile imagery versus auditory imagery on discriminating tactile and auditory stimuli.

Main Methods:

  • Participants performed left/right discrimination tasks for tactile and auditory stimuli.
  • A tactile imagery or auditory imagery task was assigned prior to stimulus presentation.
  • Performance was compared to a baseline condition without imagery assignment.

Main Results:

  • Tactile stimuli were responded to faster after tactile imagery compared to auditory stimuli.
  • Auditory stimuli were responded to faster after auditory imagery compared to tactile stimuli.
  • Stimuli in imagery conditions were responded to slower overall compared to baseline, suggesting a dual-task cost.

Conclusions:

  • This study provides the first behavioral evidence that tactile imagery assignment influences the perception of real tactile stimuli.
  • The findings highlight the modality-specific nature of mental imagery effects on sensory processing.
  • Tactile imagery enhances tactile processing, likely due to somatotopic proximity, while a general dual-task cost affects performance under imagery conditions.