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Related Experiment Videos

Interference between Space and Time Estimations: From Behavior to Neurons.

Encarni Marcos1, Aldo Genovesio1

  • 1Department of Physiology and Pharmacology, Sapienza University of Rome, Rome, Italy.

Frontiers in Neuroscience
|December 7, 2017
PubMed
Summary
This summary is machine-generated.

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Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
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Space and time are deeply intertwined, influencing estimations from childhood. Interference between these magnitudes may occur in the prefrontal cortex during goal selection, not perception.

Area of Science:

  • Cognitive Neuroscience
  • Neuroscience

Background:

  • Daily life demonstrates pervasive spatial metaphors for time.
  • Interference between space and time perception is observed even in non-human primates.

Purpose of the Study:

  • Investigate the neural basis of space-time interference.
  • Determine where in the brain the interaction between space and time occurs.

Main Methods:

  • Review of imaging and lesion studies.
  • Analysis of neurophysiological studies in the prefrontal cortex.

Main Results:

  • Brain imaging suggests shared areas for space and time processing, implying abstract representation.
  • Prefrontal cortex neurophysiology reveals independent neuronal coding for space and time, but overlapping coding for goal choices.
Keywords:
magnitude processingmonkeysprefrontal cortextime perceptionworking memory

Related Experiment Videos

Conclusions:

  • Space and time are tightly coupled, but their interaction might not be in initial perception.
  • Interference likely occurs later, during decision-making processes in the prefrontal cortex.