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

Interhemispheric transmission time in an auditory two-choice reaction task

R A Bjørklund1, A Lian

  • 1National Institute of Occupational Health, Oslo, Norway.

Scandinavian Journal of Psychology
|June 1, 1993
PubMed
Summary

This study investigated auditory reaction times in right-handed males. Results showed no hemispheric asymmetry in information transfer, with faster responses in uncrossed conditions.

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

A re-evaluation of the phonological similarity effect in adults' short-term memory of words and nonwords.

Memory (Hove, England)·2001
Same author

Cognitive performance and muscle activation in workers with chronic shoulder myalgia.

Ergonomics·2001
Same author

Item-specific effects in recognition failure: reasons for rejection of the Tulving-Wiseman function.

Memory & cognition·1998
Same author

[Stress among air traffic controllers].

Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke·1997
Same author

The effect of motivation on shoulder-muscle tension in attention-demanding tasks.

Ergonomics·1994
Same author

Five different tests of reaction time evaluated in HIV seropositive men.

Acta neurologica Scandinavica·1992

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Human Motor Control

Background:

  • Reaction time (RT) and movement time (MT) are key metrics in understanding human sensorimotor processing.
  • Investigating interhemispheric transmission time (IHTT) provides insights into the speed of information transfer between brain hemispheres.
  • Auditory reaction tasks offer a different modality to explore cognitive and motor processes compared to visual tasks.

Purpose of the Study:

  • To examine the effect of ear of auditory stimulus presentation on unimanual reaction time and movement time in right-handed males.
  • To estimate and compare interhemispheric transmission time (IHTT) for both reaction time (RT) and the first component of movement (MT1).
  • To determine if there is an asymmetry in information processing speed between the cerebral hemispheres during an auditory choice reaction task.

Related Experiment Videos

Main Methods:

  • A unimanual auditory choice reaction task was administered to 16 right-handed male participants.
  • Participants responded by pressing a target button contralateral or ipsilateral to the ear receiving the auditory stimulus.
  • Reaction time (RT) and the first component of movement (MT1) were measured, and IHTT was calculated based on crossed vs. uncrossed conditions.

Main Results:

  • A significant 'Ear' x 'Hand' interaction was observed for both RT and MT1, indicating faster responses in uncrossed (ipsilateral) conditions compared to crossed (contralateral) conditions.
  • Interhemispheric transmission time (IHTT) for RT was estimated at 16 ms, consistent with previous visual reaction task findings.
  • Interhemispheric transmission time (IHTT) for MT1 was estimated at 13 ms, a novel finding for this movement component.

Conclusions:

  • The study found no evidence of hemispheric asymmetry in the speed of information transfer during this auditory choice reaction task.
  • Uncrossed motor responses were significantly faster than crossed responses, highlighting the influence of effector-stimulus arrangement on performance.
  • The estimated IHTT for MT1 provides new quantitative data on interhemispheric communication during the initial phase of motor execution.