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A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
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In analytical chemistry, we often perform repetitive measurements to detect and minimize inaccuracies caused by both determinate and indeterminate errors. Despite the cares we take, the presence of random errors means that repeated measurements almost never have exactly the same magnitude. The collective difference between these measurements - observed values - and the estimated or expected value is called uncertainty. Uncertainty is conventionally written after the estimated or expected value.
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Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
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Cognitive psychology is the field of psychology dedicated to examining how people think. It attempts to explain how and why we think the way we do by studying the interactions among human thinking, emotion, creativity, language, and problem-solving, as well as other cognitive processes. Cognitive psychology studies how information is processed and manipulated in remembering, thinking, and knowing.
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Consciousness, Exascale Computational Power, Probabilistic Outcomes, and Energetic Efficiency.

Elizabeth A Stoll1

  • 1Western Institute for Advanced Study, Denver, CO.

Cognitive Science
|April 16, 2023
PubMed
Summary
This summary is machine-generated.

The mammalian brain uses probabilistic computation, not just binary units, to achieve consciousness. Understanding this neural computation may unlock the mysteries of the cerebral cortex and consciousness.

Area of Science:

  • Cognitive Neuroscience
  • Computational Neuroscience

Background:

  • The link between consciousness and neural computation remains a central problem in cognitive science.
  • Consciousness correlates with cerebral cortex activity, distinct from spinal reflex circuits or classical computing.
Keywords:
AgencyEnergy-efficient computationNeural computationNoisy codingNondeterministic computationPerceptionProbabilistic codingThermodynamic computation

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