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

Endogenous event-related potentials from sphenoidal electrodes.

M D Rugg1, R C Roberts, D D Potter

  • 1Department of Psychology, University of St. Andrews, Fife, U.K.

Electroencephalography and Clinical Neurophysiology
|October 1, 1990
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

Estrogen-related receptor gamma regulates mitochondrial and synaptic genes and modulates vulnerability to synucleinopathy.

NPJ Parkinson's disease·2022
Same author

Corrigendum to "The neural correlates of recollection and retrieval monitoring: Relationships with age and recollection performance" [NeuroImage 138 (2016) 164-175].

NeuroImage·2017
Same author

Direct microfabrication of oxide patterns by local electrodeposition of precisely positioned electrolyte: the case of Cu2O.

Scientific reports·2016
Same author

Decreased synaptic and mitochondrial density in the postmortem anterior cingulate cortex in schizophrenia.

Schizophrenia research·2015
Same author

Localization of excitatory amino acid transporters EAAT1 and EAAT2 in human postmortem cortex: a light and electron microscopic study.

Neuroscience·2014
Same author

Ultrastructural localization of tyrosine hydroxylase in tree shrew nucleus accumbens core and shell.

Neuroscience·2014
Same journal

Coming to terms with brain waves.

Electroencephalography and clinical neurophysiology·2014
Same journal

Habituation of lower leg stretch responses in Parkinson's disease.

Electroencephalography and clinical neurophysiology·2000
Same journal

Asymmetry of cortical excitability revealed by transcranial stimulation in a patient with focal motor epilepsy and cortical myoclonus.

Electroencephalography and clinical neurophysiology·2000
Same journal

Evoked isometric muscle contractions in myopathies: analysis of pathophysiological properties by different stimulus patterns.

Electroencephalography and clinical neurophysiology·2000
Same journal

Task-related coherence and task-related spectral power changes during sequential finger movements.

Electroencephalography and clinical neurophysiology·2000
Same journal

Electrophysiological studies in mild idiopathic carpal tunnel syndrome.

Electroencephalography and clinical neurophysiology·2000
See all related articles

Sphenoidal electrodes did not detect medial temporal lobe event-related potentials (ERPs) during cognitive tasks. These electrodes failed to capture endogenous ERP activity concurrent with scalp-recorded components.

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Electrophysiology

Background:

  • Event-related potentials (ERPs) are crucial for studying cognitive processes.
  • Medial temporal lobe activity is linked to cognitive tasks but difficult to record directly.
  • Sphenoidal electrodes offer a potential method for accessing medial temporal lobe ERPs.

Purpose of the Study:

  • To investigate the utility of sphenoidal electrodes for recording medial temporal lobe event-related potentials (ERPs).
  • To determine if sphenoidal electrodes can detect endogenous ERP activity during specific cognitive tasks.

Main Methods:

  • Recorded ERPs from left and right sphenoidal electrodes during a visual oddball task and a word repetition task.
  • Compared sphenoidal ERPs with scalp-recorded ERPs, particularly the P3 component.

Related Experiment Videos

  • Analyzed ERP modulations related to task performance.

    • Main Results:

    • Both cognitive tasks elicited significant scalp-recorded ERP modulations.
    • No consistent task-related ERP activity was observed from sphenoidal electrodes during the oddball task's P3 component.
    • Sphenoidal electrodes did not detect repetition-related ERP effects in the word repetition task.

    Conclusions:

    • Sphenoidal electrodes appear insufficient for detecting endogenous ERP components generated in the medial temporal lobe.
    • Scalp-recorded ERPs are more reliable for assessing medial temporal lobe activity in these tasks.
    • Further research may be needed to refine methods for medial temporal lobe ERP recording.