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Event-Related Potentials, P300 MeSH Descriptor Data 2025


MeSH Heading
Event-Related Potentials, P300
Tree Number(s)
G07.265.216.500.350
G11.561.200.500.350
Unique ID
D018913
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D018913
Scope Note
A late-appearing component of the event-related potential. P300 stands for a positive deflection in the event-related voltage potential at 300 millisecond poststimulus. Its amplitude increases with unpredictable, unlikely, or highly significant stimuli and thereby constitutes an index of mental activity. (From Campbell, Psychiatric Dictionary, 6th ed)
Entry Version
EVENT RELAT POTENTIALS P300
Entry Term(s)
Event-Related Potentials, P3
Evoked Potentials, P300 Component
P3 Event Related Potential
P3 Event-Related Potentials
P300 Component
P300 Event-Related Potential
P300 Event-Related Potentials
P3a Event-Related Potentials
P3b Event-Related Potentials
Previous Indexing
Evoked Potentials (1975-1995)
specific Evoked Potentials (1980-1995)
Public MeSH Note
96
History Note
96
Date Established
1996/01/01
Date of Entry
1994/12/27
Revision Date
2021/06/30
Event-Related Potentials, P300 Preferred
P3a Event-Related Potentials Narrower
P3b Event-Related Potentials Narrower
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