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Related Concept Videos

Behavior Modification01:21

Behavior Modification

Behavioral approaches have often been criticized for ignoring mental processes and focusing solely on observable behavior. However, these approaches provide an optimistic perspective for individuals seeking to change their behaviors. Rather than concentrating on intrinsic personality traits, behavioral approaches suggest that even longstanding habits can be modified by changing the reward contingencies that maintain them.
A real-world application of operant conditioning principles is applied...
Behaviorism01:28

Behaviorism

The field of behaviorism was pioneered by figures such as Ivan Pavlov, John B. Watson, and B.F. Skinner fundamentally shifted the focus of psychology to the observable and controllable aspects of human and animal behavior. This shift marked a critical evolution in the discipline, emphasizing scientific rigor and experimental methodology.
The core premise of behaviorism is its focus on observable behavior rather than internal thoughts or feelings. This approach argues that true scientific...
Mechanistic Models: Compartment Models in Individual and Population Analysis01:23

Mechanistic Models: Compartment Models in Individual and Population Analysis

Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least squares (OLS)...
Naturalistic Observations02:30

Naturalistic Observations

If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
Regression Toward the Mean01:52

Regression Toward the Mean

Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when researchers try to extrapolate results...
Optimal Arousal Theory01:23

Optimal Arousal Theory

The optimal arousal theory suggests that performance is maximized when an individual experiences a moderate level of arousal. This theory is closely tied to the Yerkes-Dodson law, which illustrates an inverted U-shaped relationship between arousal and performance. The law, formulated by psychologists Robert Yerkes and John Dodson, implies an ideal arousal level for optimal performance, and deviations from this level can lead to declines in effectiveness.
Inverted U-Shaped Performance Curve
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Related Experiment Video

Updated: Jun 19, 2026

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
11:54

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

Published on: May 8, 2021

Cycle-to-cycle variability as an optimal behavioral strategy.

Vladimir Brezina1, Alex Proekt, Klaudiusz R Weiss

  • 1Department of Neuroscience, Mount Sinai School of Medicine, New York, NY 10029, USA.

Neurocomputing
|September 28, 2011
PubMed
Summary
This summary is machine-generated.

Aplysia feeding behavior shows variability, which can lead to unsuccessful feeding. This variability, however, is proposed to be a trial-and-error strategy for adapting to new feeding tasks in uncertain environments.

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New Variations for Strategy Set-shifting in the Rat
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New Variations for Strategy Set-shifting in the Rat

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Related Experiment Videos

Last Updated: Jun 19, 2026

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
11:54

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

Published on: May 8, 2021

New Variations for Strategy Set-shifting in the Rat
09:45

New Variations for Strategy Set-shifting in the Rat

Published on: January 23, 2017

Area of Science:

  • Marine biology
  • Animal behavior
  • Neuroethology

Background:

  • Aplysia feeding behavior exhibits significant cycle-to-cycle variability.
  • This variability can sometimes result in failed feeding attempts due to movement-task mismatches.

Purpose of the Study:

  • To investigate the functional significance of variability in Aplysia feeding behavior.
  • To propose that behavioral variability serves an adaptive role in uncertain environments.

Main Methods:

  • Observational analysis of Aplysia feeding cycles.
  • Behavioral modeling to explore strategy optimization.

Main Results:

  • Feeding behavior in Aplysia is inherently variable.
  • Variability can lead to task failure when movements are mismatched with task requirements.

Conclusions:

  • Behavioral variability in Aplysia is hypothesized to be a trial-and-error search mechanism.
  • This strategy may optimize feeding performance in unpredictable and changing environments over time.