Why do forward maskers affect auditory intensity discrimination? : Evidence from "molecular psychophysics"

Publication type:
Journal article
Metadata:
Autoren
  • Daniel Oberfeld-Twistel
  • Patricia Stahn
  • Martha Kuta
Sammlungen
  • metadata
ISSN
1932-6203
Ausgabe der Veröffentlichung
6
Zeitschrift
PLoS one
Schlüsselwörter
  • 150 Psychologie
  • 150 Psychology
Sprache
eng
Paginierung
e99745
Datum der Veröffentlichung
2014
Herausgeber
PLoS
Herausgeber URL
http://dx.doi.org/10.1371/journal.pone.0099745
Datum der Datenerfassung
2020
Datum, an dem der Datensatz öffentlich gemacht wurde
2020
Zugang
Public
Titel
Why do forward maskers affect auditory intensity discrimination? : Evidence from "molecular psychophysics"
Ausgabe der Zeitschrift
9

Data source: METADATA.UB

Other metadata sources:
Autoren
  • Daniel Oberfeld
  • Patricia Stahn
  • Martha Kuta
Autoren-URL
https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=fis-test-1&SrcAuth=WosAPI&KeyUT=WOS:000338503400037&DestLinkType=FullRecord&DestApp=WOS_CPL
DOI
10.1371/journal.pone.0099745
Externe Identifier
  • Clarivate Analytics Document Solution ID: AK5YM
  • PubMed Identifier: 24937050
ISSN
1932-6203
Ausgabe der Veröffentlichung
6
Zeitschrift
PLOS ONE
Artikelnummer
ARTN e99745
Datum der Veröffentlichung
2014
Status
Published
Titel
Why Do Forward Maskers Affect Auditory Intensity Discrimination? Evidence from "Molecular Psychophysics"
Sub types
  • Article
Ausgabe der Zeitschrift
9

Data source: Web of Science (Lite)

Autoren
  • Daniel Oberfeld
  • Patricia Stahn
  • Martha Kuta
DOI
10.1371/journal.pone.0099745
Editoren
  • Kevin Paterson
eISSN
1932-6203
Ausgabe der Veröffentlichung
6
Zeitschrift
PLoS ONE
Sprache
en
Online publication date
2014
Paginierung
e99745 - e99745
Status
Published online
Herausgeber
Public Library of Science (PLoS)
Herausgeber URL
http://dx.doi.org/10.1371/journal.pone.0099745
Datum der Datenerfassung
2022
Titel
Why Do Forward Maskers Affect Auditory Intensity Discrimination? Evidence from "Molecular Psychophysics"
Ausgabe der Zeitschrift
9

Data source: Crossref

Abstract
Nonsimultaneous maskers can strongly impair performance in an auditory intensity discrimination task. Using methods of molecular psychophysics, we quantified the extent to which (1) a masker-induced impairment of the representation of target intensity (i.e., increase in internal noise) and (2) a systematic influence of the masker intensities on the decision variable contribute to these effects. In a two-interval intensity discrimination procedure, targets were presented in quiet, and combined with forward maskers. The lateralization of the maskers relative to the targets was varied via the interaural time difference. Intensity difference limens (DLs) were strongly elevated under forward masking but less with contralateral than with ipsilateral maskers. For most listeners and conditions, perceptual weights measuring the relation between the target and masker levels and the response in the intensity discrimination task were positive and significant. Higher perceptual weights assigned to the maskers corresponded to stronger elevations of the intensity DL. The maskers caused only a weak increase in internal noise, unrelated to target level and masker lateralization. The results indicate that the effects of forward masking on intensity discrimination are determined by an inclusion of the masker intensities in the decision variable, compatible with the hypothesis that the impairment in performance is to a large part caused by difficulties in directing selective attention to the targets. The effects of masker lateralization are evidence for top-down influences, and the observed positive signs of the masker weights suggest that the relevant mechanisms are located at higher processing stages rather than in the auditory periphery.
Addresses
  • Section Experimental Psychology, Department of Psychology, Johannes Gutenberg-Universität Mainz, Mainz, Germany.
Autoren
  • Daniel Oberfeld
  • Patricia Stahn
  • Martha Kuta
DOI
10.1371/journal.pone.0099745
eISSN
1932-6203
Externe Identifier
  • PubMed Identifier: 24937050
  • PubMed Central ID: PMC4061042
Open access
true
ISSN
1932-6203
Ausgabe der Veröffentlichung
6
Zeitschrift
PloS one
Schlüsselwörter
  • Humans
  • Acoustic Stimulation
  • Auditory Threshold
  • Loudness Perception
  • Perceptual Masking
  • Psychoacoustics
  • Adult
  • Female
  • Male
  • Young Adult
Sprache
eng
Medium
Electronic-eCollection
Online publication date
2014
Open access status
Open Access
Paginierung
e99745
Datum der Veröffentlichung
2014
Status
Published
Publisher licence
CC BY
Datum der Datenerfassung
2014
Titel
Why do forward maskers affect auditory intensity discrimination? Evidence from "molecular psychophysics".
Sub types
  • Research Support, Non-U.S. Gov't
  • research-article
  • Journal Article
Ausgabe der Zeitschrift
9

Files

https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0099745&type=printable https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24937050/pdf/?tool=EBI https://europepmc.org/articles/PMC4061042?pdf=render

Data source: Europe PubMed Central

Abstract
Nonsimultaneous maskers can strongly impair performance in an auditory intensity discrimination task. Using methods of molecular psychophysics, we quantified the extent to which (1) a masker-induced impairment of the representation of target intensity (i.e., increase in internal noise) and (2) a systematic influence of the masker intensities on the decision variable contribute to these effects. In a two-interval intensity discrimination procedure, targets were presented in quiet, and combined with forward maskers. The lateralization of the maskers relative to the targets was varied via the interaural time difference. Intensity difference limens (DLs) were strongly elevated under forward masking but less with contralateral than with ipsilateral maskers. For most listeners and conditions, perceptual weights measuring the relation between the target and masker levels and the response in the intensity discrimination task were positive and significant. Higher perceptual weights assigned to the maskers corresponded to stronger elevations of the intensity DL. The maskers caused only a weak increase in internal noise, unrelated to target level and masker lateralization. The results indicate that the effects of forward masking on intensity discrimination are determined by an inclusion of the masker intensities in the decision variable, compatible with the hypothesis that the impairment in performance is to a large part caused by difficulties in directing selective attention to the targets. The effects of masker lateralization are evidence for top-down influences, and the observed positive signs of the masker weights suggest that the relevant mechanisms are located at higher processing stages rather than in the auditory periphery.
Date of acceptance
2014
Autoren
  • Daniel Oberfeld
  • Patricia Stahn
  • Martha Kuta
Autoren-URL
https://www.ncbi.nlm.nih.gov/pubmed/24937050
DOI
10.1371/journal.pone.0099745
eISSN
1932-6203
Externe Identifier
  • PubMed Central ID: PMC4061042
Ausgabe der Veröffentlichung
6
Zeitschrift
PLoS One
Schlüsselwörter
  • Acoustic Stimulation
  • Adult
  • Auditory Threshold
  • Female
  • Humans
  • Loudness Perception
  • Male
  • Perceptual Masking
  • Psychoacoustics
  • Young Adult
Sprache
eng
Country
United States
Paginierung
e99745
PII
PONE-D-14-08172
Datum der Veröffentlichung
2014
Status
Published online
Datum, an dem der Datensatz öffentlich gemacht wurde
2015
Titel
Why do forward maskers affect auditory intensity discrimination? Evidence from "molecular psychophysics".
Sub types
  • Journal Article
  • Research Support, Non-U.S. Gov't
Ausgabe der Zeitschrift
9

Data source: PubMed

Author's licence
CC-BY
Autoren
  • Daniel Oberfeld-Twistel
  • Patricia Stahn
  • Martha Kuta
Hosting institution
Universitätsbibliothek Mainz
Sammlungen
  • DFG-OA-Publizieren (2012 - 2017)
Resource version
Published version
DOI
10.1371/journal.pone.0099745
Funding acknowledgements
  • DFG, Open Access-Publizieren Universität Mainz / Universitätsmedizin
File(s) embargoed
false
Open access
true
ISSN
1932-6203
Ausgabe der Veröffentlichung
6
Zeitschrift
PLoS one
Schlüsselwörter
  • 150 Psychologie
  • 150 Psychology
Sprache
eng
Open access status
Open Access
Paginierung
e99745
Datum der Veröffentlichung
2014
Public URL
https://openscience.ub.uni-mainz.de/handle/20.500.12030/7978
Herausgeber
PLoS
Herausgeber URL
http://dx.doi.org/10.1371/journal.pone.0099745
Datum der Datenerfassung
2022
Datum, an dem der Datensatz öffentlich gemacht wurde
2022
Zugang
Public
Titel
Why do forward maskers affect auditory intensity discrimination? : Evidence from "molecular psychophysics"
Ausgabe der Zeitschrift
9

Files

why_do_forward_maskers_affect-20220925143703222.pdf

Data source: OPENSCIENCE.UB

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