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Research and Development of High-performance Explosives
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The tempos of performance.

Nir Shalev1, Anna-Katharina R Bauer1, Anna C Nobre1

  • 1Department of Experimental Psychology, Oxford Centre for Human Brain Activity, Department of Psychiatry, and Wellcome Centre for Integrative Neuroimaging, University of Oxford, United Kingdom.

Current Opinion in Psychology
|July 15, 2019
PubMed
Summary
This summary is machine-generated.

Human performance rhythmically fluctuates due to intrinsic brain activity, external stimuli, and anticipation. These periodic processes influence tasks across fractions of seconds to hours.

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Area of Science:

  • Cognitive Neuroscience
  • Human Performance Studies
  • Chronobiology

Background:

  • Human performance is not constant but varies over time.
  • These variations are influenced by periodic processes operating at various time scales.
  • Understanding these rhythms is crucial for various scientific and practical applications.

Purpose of the Study:

  • To review evidence on human performance fluctuations across different time scales.
  • To propose a framework explaining the origins of these performance rhythms.
  • To highlight the interplay of intrinsic, external, and anticipatory factors.

Main Methods:

  • Literature review of studies on human performance variations.
  • Analysis of research examining periodic influences on cognitive and motor tasks.
  • Synthesis of findings related to brain activity, sensory stimulation, and temporal anticipation.

Main Results:

  • Performance varies significantly over fractions of seconds, minutes, and hours.
  • These fluctuations are linked to intrinsic brain rhythms, external stimulus periodicity, and predictive temporal processing.
  • A multi-factorial model is proposed to explain performance rhythms.

Conclusions:

  • Human performance rhythms are complex and arise from interacting factors.
  • Intrinsic brain activity, external periodic stimulation, and anticipation are key drivers.
  • Further research can elucidate the precise mechanisms underlying these multi-scale performance rhythms.