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Time Overestimation Devalues Future Rewards: Electroencephalogram Evidence from Intertemporal Choice.

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Individuals who overestimate time make more impulsive choices due to less cognitive control during intertemporal decisions. This study used electroencephalography (EEG) to compare neural dynamics in time perception groups.

Keywords:
cognitive controlcognitive resourceimpulsive decision-makingintertemporal choicetime perception

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Decision Science

Background:

  • Time perception significantly influences intertemporal decision-making.
  • Neural mechanisms linking time perception and decision-making remain unclear.
  • Direct comparison of neural dynamics between time over- and under-estimators in decision tasks is lacking.

Purpose of the Study:

  • To investigate electroencephalogram (EEG) differences during an intertemporal choice task.
  • To compare neural dynamics between individuals who overestimate and underestimate time.
  • To elucidate the role of temporal perception in decision-making processes.

Main Methods:

  • Screened participants based on time overestimation or underestimation.
  • Utilized an intertemporal choice task.
  • Recorded and analyzed electroencephalogram (EEG) data, focusing on N2, P300 amplitudes, and beta band oscillations.

Main Results:

  • Time overestimators favored smaller-sooner options, showing myopic decision-making.
  • Time underestimators exhibited higher N2 amplitude, enhanced P300 amplitude, and greater beta oscillations compared to overestimators.
  • Neural patterns (N2, P300) differed in response to larger-later options between groups.

Conclusions:

  • Time overestimation correlates with increased conflict and reduced cognitive control for larger-later options.
  • Neural findings suggest time overestimators rely more on a 'hot system,' leading to impulsive choices.
  • Differences in neural activity highlight distinct cognitive and neural mechanisms underlying intertemporal choices based on time perception.