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

Precortical filtering and selective attention: an evoked potential analysis.

L O Bauer1, R L Bayles

  • 1Department of Psychiatry, University of Connecticut Health Center, Farmington 06032.

Biological Psychology
|February 1, 1990
PubMed
Summary

Selective attention enhances early auditory brainstem responses (ABRs) and somatosensory evoked potentials (SLSEPs). This suggests precortical modulation of sensory information processing.

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

The value of instability: an investigation of intrasubject variability in brain activity among obese adolescent girls.

International journal of obesity (2005)·2017
Same author

A family history of substance dependence obscures the group differences in brain function associated with HIV-1 and ART.

Drug and alcohol dependence·2012
Same author

GABRA2 and KIBRA genotypes predict early relapse to substance use.

Drug and alcohol dependence·2011
Same author

Effects of alcoholism, anxiety and depression on P300 in women: a pilot study.

Journal of studies on alcohol·2001
Same author

CSD/BEM localization of P300 sources in adolescents "at-risk": evidence of frontal cortex dysfunction in conduct disorder.

Biological psychiatry·2001
Same author

Relationship of cognitive ability to the developmental course of antisocial behavior in substance-dependent patients.

Progress in neuro-psychopharmacology & biological psychiatry·2001

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Sensory Processing

Background:

  • Attention significantly influences sensory perception.
  • Previous research has explored attention's effects on later cortical processing stages.

Purpose of the Study:

  • To investigate attention-related modulations in early auditory and somatosensory evoked potentials.
  • To determine if attention affects precortical sensory information transmission.

Main Methods:

  • Auditory Brainstem Responses (ABRs) were recorded while participants attended to auditory targets.
  • Short-Latency Somatosensory Evoked Potentials (SLSEPs) were recorded during attention to somatosensory targets.
  • Component amplitudes and latencies of ABRs and SLSEPs were analyzed under different attentional conditions.

Related Experiment Videos

Main Results:

  • Facilitation of specific ABR components (auditory nerve wave II, brainstem wave V) when attention was directed towards auditory stimuli.
  • Facilitation of a specific SLSEP component (cervical N12) when attention was directed towards somatosensory stimuli.
  • Attention enhanced sensory transmission in the same modality and receptive field.

Conclusions:

  • Central nervous system mechanisms can modulate auditory and somatosensory information at early, precortical stages.
  • These precortical modulations play a crucial role in selective attention for both auditory and somatosensory modalities.