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Related Concept Videos

Conditioned Taste Aversion01:14

Conditioned Taste Aversion

543
Conditioned taste aversion, also known as sauce béarnaise syndrome, is a phenomenon in which an individual develops an aversion to a certain food taste following a negative experience, typically illness. This form of aversion is a type of classical conditioning in which the taste of the food (conditioned stimulus, CS) is associated with the experience of illness (unconditioned stimulus, UCS).
A notable characteristic of conditioned taste aversion is that it often requires only a single...
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Instinctive Drift01:05

Instinctive Drift

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Instinctive drift refers to the tendency of animals to revert to their innate behaviors despite repeated reinforcement. Breland and Breland demonstrated this concept in an experiment with a raccoon. The raccoon was trained to pick up two coins and place them in a container in exchange for food. Initially, the raccoon learned to associate the coins with food, making them a conditioned stimulus or a substitute for food. However, over time, the raccoon became less willing to put the coins into the...
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Gustation01:43

Gustation

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Gustation is a chemical sense that, along with olfaction (smell), contributes to our perception of taste. It starts with the activation of receptors by chemical compounds (tastants) dissolved in the saliva. The saliva and filiform papillae on the tongue distribute the tastants and increase their exposure to the taste receptors.
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Taste Buds and Receptors01:20

Taste Buds and Receptors

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Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
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The Physiology of Taste01:24

The Physiology of Taste

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The perception of a salty flavor is facilitated by sodium ions within the oral salivary fluid. Upon consumption of a salty substance, salt crystals disassemble, leading to the liberation of its constituents—Na+ and Cl- ions. These ions subsequently dissolve into the salivary fluid present in the oral cavity. The external environment of the gustatory cells experiences an elevation in Na+ concentration, thereby establishing a potent concentration gradient. This gradient propels the...
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Associative Learning01:27

Associative Learning

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Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
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Updated: Jan 19, 2026

Appetitive Associative Olfactory Learning in Drosophila Larvae
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RYGB and flavor-consequence learning.

Lori Asarian1, Nori Geary2

  • 1Department of Medicine, Larner College of Medicine, University of Vermont, Burlington, VT, 05405, USA.

Appetite
|September 27, 2019
PubMed
Summary
This summary is machine-generated.

Flavor-consequence learning, associations between taste and internal body signals, may change after Roux-en-Y gastric bypass surgery (RYGB). Further research is needed to understand its role in appetite regulation post-surgery.

Keywords:
AppetitionBariatric surgeryFlavor aversionFlavor avoidanceFood choiceFood intake

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Area of Science:

  • Neuroscience
  • Gastroenterology
  • Behavioral Science

Background:

  • Flavor-consequence learning links taste to internal body signals, influencing eating behaviors.
  • Roux-en-Y gastric bypass surgery (RYGB) significantly alters digestive processes.

Purpose of the Study:

  • To explore the potential impact of bariatric surgery on flavor-consequence learning.
  • To investigate how altered learning mechanisms influence appetite and food choices post-surgery.

Main Methods:

  • This study is a review and theoretical analysis, not an experimental study.
  • It examines existing literature on flavor-consequence learning and bariatric surgery outcomes.

Main Results:

  • There is a lack of research directly investigating flavor-consequence learning after bariatric procedures.
  • Altered gastrointestinal processing post-surgery could theoretically modify the unconditioned stimuli supporting this learning.

Conclusions:

  • Bariatric surgery may alter flavor-consequence learning, impacting appetite and food selection.
  • This area urgently requires empirical investigation to understand its role in surgical weight loss.