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Related Concept Videos

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Association Areas of the Cortex

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Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
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The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
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Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
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Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
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The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
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Online Repetitive Transcranial Magnetic Stimulation of Dorsomedial and Dorsolateral Prefrontal Cortex in Cognition Decision Making, and Cognitive Dissonance
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A functional difference in information processing between orbitofrontal cortex and ventral striatum during

Jeffrey J Stott1, A David Redish2

  • 1Graduate Program in Neuroscience, and.

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
|October 1, 2014
PubMed
Summary
This summary is machine-generated.

The ventral striatum (vStr) signals reward value before decisions, while the orbitofrontal cortex (OFC) processes this information after choices are made. This suggests vStr aids action selection, and OFC evaluates outcomes in decision-making.

Keywords:
decision-makingneuroeconomicsnucleus accumbensorbitofrontal cortexvicarious trial and error

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Area of Science:

  • Neuroscience
  • Decision-making research
  • Behavioral economics

Background:

  • Orbitofrontal cortex (OFC) and ventral striatum (vStr) are crucial for representing value in decision-making.
  • The precise temporal dynamics of value processing in these regions remain unclear.

Purpose of the Study:

  • To investigate the temporal dynamics of value representation in the OFC and vStr during decision-making.
  • To elucidate the roles of OFC and vStr in processing reward information relative to choice commitment.

Main Methods:

  • Electrophysiological recordings of neural ensembles in rat OFC and vStr.
  • Utilized the spatial adjusting delay-discounting task to assess decision-making under reward-delay trade-offs.

Main Results:

  • Ventral striatal (vStr) neural activity encoded reward information prior to the animal's decision.
  • Orbitofrontal cortex (OFC) neural activity showed reward-related signals only after the decision commitment.

Conclusions:

  • These findings support a model where the vStr is involved in action selection.
  • The OFC appears to process decision outcomes post-commitment, enabling comparison of predicted versus actual consequences.