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Transferring Cognitive Tasks Between Brain Imaging Modalities: Implications for Task Design and Results Interpretation in fMRI Studies
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Criticality in the Brain: Evidence and Implications for Neuromorphic Computing.

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|March 30, 2018
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Brain operational temperature correlates with cognitive abilities across species. A power-law relationship was found between brain temperature range (Δ T) and encephalization quotient (EQ), supporting the brain as a critical system.

Keywords:
Criticalitybrainencephalization quotientpower lawtemperature

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Area of Science:

  • Neuroscience
  • Comparative Biology
  • Physics

Background:

  • Cognitive abilities vary significantly across animal species.
  • The brain's operational temperature range (Δ T) is a poorly understood factor.
  • Encephalization quotient (EQ) serves as a widely accepted proxy for cognitive capacity.

Purpose of the Study:

  • To investigate the relationship between brain operational temperature and cognitive abilities.
  • To determine if a quantifiable correlation exists across diverse animal species.
  • To explore the implications of this correlation for theories of brain function.

Main Methods:

  • Literature review to gather data on brain temperature ranges (Δ T) and encephalization quotients (EQ).
  • Statistical analysis to identify correlations between Δ T and EQ.
  • Comparative analysis across a wide spectrum of animal species.

Main Results:

  • An unexpected, significant correlation was discovered between brain operational temperature range (Δ T) and encephalization quotient (EQ).
  • A distinct power-law dependence was identified between Δ T and EQ.
  • The findings were consistent across a broad range of animal species.

Conclusions:

  • Brain temperature is a critical parameter influencing cognitive abilities.
  • The brain may operate as a critical system, with temperature tuning neural network performance.
  • This discovery opens new avenues for understanding brain function and evolution.