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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.
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Related Experiment Video

Updated: Apr 1, 2026

Design, Fabrication, and Administration of the Hand Active Sensation Test HASTe
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Embodied Information in Cognitive Tasks: Haptic Weight Sensations Affect Task Performance and Processing Style.

Kai Kaspar1, Alina Vennekötter2

  • 1Department of Psychology, University of Cologne, Germany.

Advances in Cognitive Psychology
|October 1, 2015
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Summary

Holding a heavy clipboard, compared to a light one, impairs cognitive performance and increases frustration. These findings suggest weight sensations impact more than just judgments, affecting cognitive tasks too.

Keywords:
cognitive taskembodied cognitionresponse heuristictask performanceweight sensations

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Area of Science:

  • Cognitive Psychology
  • Embodied Cognition

Background:

  • Embodied cognition research indicates incidental weight sensations influence judgments.
  • Heaviness typically enhances perceptions of importance, seriousness, and potency.

Purpose of the Study:

  • To investigate the impact of weight sensations on cognitive performance.
  • To expand the scope of embodied cognition research beyond judgment formation.

Main Methods:

  • Two experiments were conducted using varying clipboard weights (heavy vs. light).
  • Experiment 1 assessed anagram task performance and perceived effort.
  • Experiment 2 examined a two-alternative forced-choice task and participant frustration levels.

Main Results:

  • Holding a heavy clipboard reduced anagram task performance and increased perceived effort.
  • A heavy clipboard led to a right-side bias in a forced-choice task.
  • Participants with heavy clipboards reported higher frustration levels.

Conclusions:

  • Weight sensations significantly impact cognitive performance, not just judgments.
  • Findings suggest weight effects influence task execution and response biases.
  • Results open new research avenues into the embodied effects of physical properties.