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Updated: May 1, 2026
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Assessment of Spatial Lingual Tactile Sensitivity using a Gratings Orientation Test
Published on: September 17, 2021
2.5K
[Temporal and spatial representations of tactile sensation]
1Human Technology Research Institute, National Institute of Advanced Science and Technology (AIST).
Brain and Nerve = Shinkei Kenkyu No Shinpo
|April 22, 2014
Summary
Crossing arms can reverse the perceived timing of touch sensations on each hand. This review explores how the brain integrates tactile timing and location, proposing neural mechanisms for this sensory interaction.
Area of Science:
- Neuroscience
- Sensory processing
- Somatosensation
Context:
- Investigating the brain's encoding of temporal and spatial information in tactile sensory processing.
- Examining the influence of arm posture on tactile perception.
Purpose:
- To review the phenomenon of temporal order reversal in tactile stimuli when arms are crossed.
- To discuss the interaction between temporal and spatial representations of tactile sensation.
- To propose potential neural mechanisms underlying this interaction.
Summary:
- The brain's processing of 'when' and 'where' tactile events involves complex interactions between temporal and spatial representations.
- Crossing arms creates an illusion where the perceived order of tactile stimuli on each hand is reversed.
- Recent findings shed light on how this spatial manipulation affects temporal judgments, suggesting underlying neural mechanisms.
Impact:
- Provides insights into the neural basis of sensory integration and cross-modal interactions.
- Highlights the malleability of temporal perception based on body schema and spatial context.
- Offers a framework for future research on tactile spatial-temporal processing and sensory illusions.
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