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Related Concept Videos

Factors Affecting Perception01:25

Factors Affecting Perception

Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
Framing Effects03:26

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Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in different ways based on the...
Pharmacokinetic–Pharmacodynamic Relationship: Duration of Dose-Effect Relationship01:14

Pharmacokinetic–Pharmacodynamic Relationship: Duration of Dose-Effect Relationship

For drugs producing a quantal response, onset occurs when plasma concentration reaches a minimum effective level (Cmin). The drug's action duration depends on how long the plasma concentration remains above Cmin.Two primary factors influence this duration: dose size and the rate of drug removal from the action site. Both depend on the drug's redistribution to poorly perfused tissues and elimination processes. A larger dose promotes rapid onset and prolongs the effect's duration.Consider a...
Timing and Consequences on Behavior01:08

Timing and Consequences on Behavior

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Perception01:28

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A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):

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Related Experiment Video

Updated: Jun 16, 2026

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes
09:27

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes

Published on: January 19, 2024

Contextual Effects on the Perception of Duration.

John Kingston1, Shigeto Kawahara, Della Chambless

  • 1University of Massachusetts, Amherst.

Journal of Phonetics
|February 18, 2010
PubMed
Summary

Listeners

Area of Science:

  • Psycholinguistics
  • Speech Perception
  • Auditory Neuroscience

Background:

  • Speech perception models differ on whether acoustic properties or linguistic experience shape initial auditory processing.
  • Auditorist and autonomous models predict similar responses to speech and non-speech stimuli, while direct realist and interactive models predict language-specific processing of speech.
  • Previous research has not definitively distinguished between these models regarding the influence of native language on speech perception.

Purpose of the Study:

  • To investigate whether native language influences the categorization and discrimination of speech and non-speech stimuli.
  • To test predictions of auditorist, autonomous, direct realist, and interactive models of speech perception.
  • To determine if acoustic properties or linguistic experience are prioritized in early stages of auditory processing.

More Related Videos

A Two-interval Forced-choice Task for Multisensory Comparisons
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A Two-interval Forced-choice Task for Multisensory Comparisons

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Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
07:36

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Published on: November 30, 2018

Related Experiment Videos

Last Updated: Jun 16, 2026

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes
09:27

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes

Published on: January 19, 2024

A Two-interval Forced-choice Task for Multisensory Comparisons
07:13

A Two-interval Forced-choice Task for Multisensory Comparisons

Published on: November 9, 2018

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
07:36

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Published on: November 30, 2018

Main Methods:

  • Listeners categorized and discriminated speech and non-speech analogue stimuli with varied vowel and consonant durations.
  • Stimuli durations were varied orthogonally, independent of native language covariation patterns.
  • Listeners' native languages differed in how vowel and consonant durations typically covary.

Main Results:

  • Listeners' categorization of speech stimuli varied based on native language duration covariation patterns.
  • All listeners discriminated speech stimuli similarly, regardless of native language.
  • All listeners categorized and discriminated non-speech stimuli similarly.

Conclusions:

  • Listeners may sum durations when linguistic experience does not guide perception, supporting autonomous models over interactive ones.
  • Results suggest linguistic experience influences speech perception at a post-perceptual stage.
  • Evidence does not favor auditorist over direct realist models, as no acoustic transformation in a prior perceptual stage was observed.