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Feel the Time. Time Perception as a Function of Interoceptive Processing.

Daniele Di Lernia1, Silvia Serino1,2, Giovanni Pezzulo3

  • 1Department of Psychology, Università Cattolica del Sacro Cuore, Milan, Italy.

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This summary is machine-generated.

Time perception is linked to bodily signals. The new Interoceptive Buffer saturation (IBs) index reveals how well individuals process internal body cues, connecting time distortions to psychological states.

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C-T fibersinteroceptioninteroceptive buffertime perception

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Area of Science:

  • Neuroscience
  • Psychology
  • Physiology

Background:

  • Human time perception is influenced by internal bodily signals (interoception).
  • Existing research lacks a quantitative measure for how the body's internal state affects time perception.

Purpose of the Study:

  • To explore the relationship between time perception and interoception.
  • To introduce and validate the Interoceptive Buffer saturation (IBs) index.

Main Methods:

  • Assessed 30 healthy females using the Interoceptive Buffer saturation (IBs) index, measuring subjective time perception of tactile stimuli.
  • Evaluated interoceptive cardiac accuracy (IAc), depressive symptoms (BDI-II), eating disorder risk (EDI-3), and anxiety (STAI).

Main Results:

  • IBs positively correlated with interoceptive cardiac accuracy (IAc).
  • IBs negatively correlated with the Drive for Thinness (DT) subscale of the EDI-3.
  • IBs was predicted by IAc, DT, and somatic depression factors.

Conclusions:

  • Underestimating interoceptive time perception is linked to psychological conditions with reduced processing of salient bodily stimuli.
  • Overestimating interoceptive time duration relates to better perception of internal bodily information.
  • The IBs index shows promise for understanding interoceptive processing and developing clinical treatments.