Linked Life Data

19031230

Source:http://linkedlifedata.com/resource/pubmed/id/19031230

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
2008-11-25
pubmed:abstractText
The effect of inverting electrode location and stimulus perceptibility on the presence of the mismatch negativity (MMN) evoked response was investigated in 20 normal-hearing adult females. Perceptible and imperceptible frequency contrasts were employed in an oddball paradigm. The perceptible contrast consisted of an 1122 Hz standard and a 1000 Hz target, while the imperceptible contrast consisted of an 1122 Hz standard and an 1120 Hz target. Data were referenced separately to the tip of the nose, the ipsilateral mastoid, and the mathematical average of the two mastoids. Presence of a response was determined according to strict criteria established a priori. The correspondence between MMN findings and parallel behavioral discrimination data was not systematic. Inverting electrode had an effect of MMN presence. MMNs were more likely to be present for mastoid-referenced data than nose-referenced data. Thus, when using the current paradigm, a mastoid reference is suggested to optimize the detection of the MMN response.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
1708-8186
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
47
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
708-14
pubmed:meshHeading
pubmed:year
2008
pubmed:articleTitle
Effect of inverting electrode on mismatch negativity presence for perceptible/imperceptible tonal frequency contrasts.
pubmed:affiliation
Department of Communication Sciences and Disorders, College of Health and Human Services, Missouri State University, Springfield, MO 65897, USA. LetitiaBlack@missouristate.edu
pubmed:publicationType
Journal Article