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

Dichotic listening performance and frontal lobe function.

Kenneth Hugdahl1, Thomas Bodner, Elisabeth Weiss

  • 1Department of Biological and Medical Psychology, University of Bergen, Arstadveien 21, N-5009, Bergen, Norway. hugdahl@psych.uib.no

Brain Research. Cognitive Brain Research
|February 19, 2003
PubMed
Summary
This summary is machine-generated.

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

Cognitive-motor network integration as a behavioral marker of cognitive reserve in post-stroke rehabilitation.

Frontiers in neurology·2026
Same author

Cytokine changes during a 12-month pragmatic randomized trial in schizophrenia spectrum disorders comparing amisulpride, aripiprazole and olanzapine.

Psychiatry research·2026
Same author

Criminal responsibility and mental disorder: Why do heterogeneous constructs not overlap?

International journal of law and psychiatry·2026
Same author

Case Report: Adjuvant radiation therapy for cardiac intimal sarcoma with long-term disease control.

Frontiers in oncology·2026
Same author

Levels of and changes in psychosis symptoms and clinical insight: Exploring the impact of differential antipsychotic mechanisms.

Psychiatry research·2026
Same author

Resonant breathing in hospitalised psychiatric patients with persistent somatic symptoms: a randomised controlled trial.

General psychiatry·2025
Same journal

Robotic movement elicits automatic imitation.

Brain research. Cognitive brain research·2005
Same journal

On the neural basis of focused and divided attention.

Brain research. Cognitive brain research·2005
Same journal

Task difficulty in a simultaneous face matching task modulates activity in face fusiform area.

Brain research. Cognitive brain research·2005
Same journal

The role of the left Brodmann's areas 44 and 45 in reading words and pseudowords.

Brain research. Cognitive brain research·2005
Same journal

Event-related potentials to violations of inflectional verb morphology in English.

Brain research. Cognitive brain research·2005
Same journal

Individual differences in brain activity during visuo-spatial processing assessed by slow cortical potentials and LORETA.

Brain research. Cognitive brain research·2005
See all related articles

Left frontal lobe damage impairs speech perception, eliminating the typical right ear advantage. Right frontal lobe damage causes mild impairment but retains this advantage, unlike controls.

Area of Science:

  • Neuroscience
  • Neurolinguistics
  • Cognitive Psychology

Background:

  • Speech perception relies on hemispheric specialization.
  • Frontal lobe lesions can impact auditory processing and language functions.
  • Understanding lateralized brain function is crucial for diagnosing and treating neurological conditions.

Purpose of the Study:

  • To investigate speech perception abilities in patients with left versus right frontal lobe lesions.
  • To compare the performance of patients with frontal lobe damage to healthy controls using dichotic listening tasks.
  • To elucidate the role of the left frontal cortex in speech perception and language asymmetry.

Main Methods:

  • Dichotic listening test using consonant-vowel (CV) syllables.
  • Participants included patients with left frontal lobe lesions (n=16), right frontal lobe lesions (n=10), and healthy controls (n=26).

Related Experiment Videos

  • Patients reported the syllable perceived most clearly on each trial, assessing ear advantage.

    • Main Results:

    • Left frontal lobe patients exhibited random performance, lacking a right ear advantage for speech perception.
    • Right frontal lobe patients showed a normal right ear advantage, though with slightly impaired overall performance compared to controls.
    • Left frontal lobe patients demonstrated impaired right ear scores compared to both control and right lesioned groups.

    Conclusions:

    • The left frontal cortex plays a critical role in speech perception and contributes to language asymmetry.
    • Damage to the left frontal lobe significantly disrupts the processing of auditory speech stimuli.
    • Hemispheric lateralization for speech perception is strongly supported by these findings.