Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Detection of signals having expected and unexpected temporal structures

L J White1, R P Carlyon

  • 1Laboratory of Experimental Psychology, University of Sussex, Brighton, UK.

Hearing Research
|November 21, 1997
PubMed
Summary

Signal detection is worse when its duration or temporal pattern is unexpected. This suggests listeners use multiple short observations, influenced by expectations, rather than a single long integration period.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Modeling Respiratory Syncytial Virus Adult Vaccination in the United States With a Dynamic Transmission Model.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America·2023
Same author

Final rinse water quality for flexible endoscopy to minimize the risk of post-endoscopic infection. Report from Healthcare Infection Society Working Party.

The Journal of hospital infection·2022
Same author

Characterisation and evaluation of the regenerative capacity of Stro-4+ enriched bone marrow mesenchymal stromal cells using bovine extracellular matrix hydrogel and a novel biocompatible melt electro-written medical-grade polycaprolactone scaffold.

Biomaterials·2020
Same author

The temporal dynamics of humoral immunity to Rickettsia typhi infection in murine typhus patients.

Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases·2019
Same author

Towards quantifying the role of hydrogen bonding within amphiphile self-association and resultant aggregate formation.

Chemical science·2018
Same author

Evidence for causal top-down frontal contributions to predictive processes in speech perception.

Nature communications·2017

Area of Science:

  • Auditory perception
  • Psychophysics
  • Signal detection theory

Background:

  • Listener's ability to detect auditory signals is influenced by various factors.
  • The 'probe-signal' method is a common technique in auditory research.
  • Previous research suggests signal characteristics can affect detection sensitivity.

Purpose of the Study:

  • To investigate how the expectedness of a signal's temporal structure affects its detection.
  • To compare the impact of unexpected duration versus unexpected temporal pattern on sensitivity.
  • To evaluate existing models of auditory temporal integration against experimental findings.

Main Methods:

  • Utilized a variant of the 'probe-signal' method across two experiments.
  • Manipulated signal expectedness by varying trial frequencies (75% vs. 25%).

Related Experiment Videos

  • Measured sensitivity (d') to auditory signals with manipulated durations and temporal patterns.

    • Main Results:

    • Sensitivity was significantly poorer for signals with unexpected durations (10 ms vs. 295 ms).
    • Detection sensitivity was also lower for signals with unexpected temporal structures (e.g., pulse trains vs. spaced pulses).
    • Findings align with previous research on duration expectation and extend it to temporal patterns.

    Conclusions:

    • Listener's expectation significantly impacts auditory signal detection.
    • Results challenge 'long time constant' models of temporal integration.
    • A 'multiple looks' model, where temporal expectations guide attention, better explains the findings.