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Related Concept Videos

Association Areas of the Cortex01:21

Association Areas of the Cortex

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:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Regulation of Food Intake01:30

Regulation of Food Intake

Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
Decision Making01:20

Decision Making

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.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

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.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.
Olfaction01:25

Olfaction

The sense of smell is achieved through the activities of the olfactory system. It starts when an airborne odorant enters the nasal cavity and reaches olfactory epithelium (OE). The OE is protected by a thin layer of mucus, which also serves the purpose of dissolving more complex compounds into simpler chemical odorants. The size of the OE and the density of sensory neurons varies among species; in humans, the OE is only about 9-10 cm2.
The olfactory receptors are embedded in the cilia of the...
Somatosensory, Motor, and Association Cortex01:23

Somatosensory, Motor, and Association Cortex

The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at the...

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Related Experiment Video

Updated: Jun 20, 2026

Errors as a Means of Reducing Impulsive Food Choice
07:07

Errors as a Means of Reducing Impulsive Food Choice

Published on: June 5, 2016

Orbitofrontal cortex contributions to food selection and decision making.

David H Zald1

  • 1Vanderbilt University, Nashville, TN, USA. david.zald@vanderbilt.edu

Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine
|September 30, 2009
PubMed
Summary
This summary is machine-generated.

Neuroeconomics reveals how the brain (orbitofrontal cortex) values food rewards and consequences. Understanding these brain processes is key to designing effective diets and public health strategies for healthy eating.

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07:07

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Published on: June 5, 2016

Studying Food Reward and Motivation in Humans
12:09

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Published on: March 19, 2014

Simultaneous Detection of c-Fos Activation from Mesolimbic and Mesocortical Dopamine Reward Sites Following Naive Sugar and Fat Ingestion in Rats
08:07

Simultaneous Detection of c-Fos Activation from Mesolimbic and Mesocortical Dopamine Reward Sites Following Naive Sugar and Fat Ingestion in Rats

Published on: August 24, 2016

Area of Science:

  • Neuroeconomics
  • Neuroscience
  • Decision Science

Background:

  • Food choices are driven by how the brain values rewards and consequences.
  • The orbitofrontal cortex (OFC) integrates reward valuation and comparison processes.
  • Brain regions involved in valuation are influenced by factors like satiety and temporal discounting.

Purpose of the Study:

  • To examine the neuroeconomic influences on food selection.
  • To understand how the orbitofrontal cortex (OFC) processes positive and negative food valuations.
  • To identify factors impacting reward coding and cost-benefit analysis in eating decisions.

Main Methods:

  • Review of neuroeconomic principles related to reward valuation.
  • Analysis of orbitofrontal cortex (OFC) function in decision-making.
  • Examination of factors influencing food choice, including satiety and temporal discounting.

Main Results:

  • The orbitofrontal cortex (OFC) plays a critical role in integrating food reward values.
  • Food valuation is influenced by relative reward availability, satiety, and temporal discounting.
  • Negative valuations (costs, health consequences) are processed by the OFC and affected by ambiguity and probability.

Conclusions:

  • Understanding brain-based valuation is crucial for developing effective dietary interventions.
  • Public health programs promoting healthy eating can benefit from neuroeconomic insights.
  • Knowledge of OFC function aids in designing strategies to influence food selection towards healthier options.