Threshold Settings

Threshold settings are defined criteria that determine when a stimulus, signal, or internal state is sufficient to produce a behavioral response. In behavioral research, a threshold functions as a decision boundary: responses are less likely below the selected level and more likely when the stimulus reaches or exceeds it, although the exact outcome can depend on context and variability. Researchers use threshold settings to quantify sensitivity, distinguish meaningful responses from background activity, and standardize behavioral assays. Careful selection and reporting of these settings improves measurement consistency, supports comparisons across experiments, and helps clarify how organisms detect and respond to changing conditions.

Threshold Settings - Related Videos

Research

JoVE Journal - Neuroscience

Rapid Determination of the Thermal Nociceptive Threshold in Diabetic Rats

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Cited by 10 •

2012

Here, we describe a rapid reliable and simple procedure to determine the lowest temperature at which rats or mice show nocifensive behavior, i.e. the thermal nociceptive threshold (TNT). This method applies a slowly increasing thermal stimulus allowing precise and reproducible estimation of TNTs with minimum, if any, stress to the animals.

Education

JoVE Science Education - Psychology

The Staircase Procedure for Finding a Perceptual Threshold

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2023

Source: Laboratory of Jonathan Flombaum—Johns Hopkins University Psychophysics is the name for a set of methods in perceptual psychology designed in order to relate the actual intensity of stimuli to their perceptual intensity. One important aspect of psychophysics involves the measurement of perceptual thresholds: How bright does a light need to be for a person to be able to detect it? How little pressure applied to the skin is detectable? How soft can a sound be and still be heard? Put...

Determining The Electromyographic Fatigue Threshold Following a Single Visit Exercise Test

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Cited by 19 •

2015

This protocol describes the electromyographic fatigue threshold which demarcates between nonfatiguing and fatiguing exercise workloads. This information could be used to develop a more individualized training program.

Assessment of Sensory Thresholds in Dogs Using Mechanical and Hot Thermal Quantitative Sensory Testing

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Cited by 6 •

2021

This work describes a standard protocol for mechanical and hot thermal quantitative sensory testing to evaluate the somatosensory system in dogs. Sensory thresholds are measured using an electronic von Frey anesthesiometer, pressure algometer, and hot contact thermode.

Research

JoVE Journal - Behavior
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Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform

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2022

In this article, we describe the methods, procedures, and technologies required to estimate vestibular perceptual thresholds using a six-degree-of-freedom motion platform.

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