Towards electrophysiological correlates of auditory perception of temporal order

Monika Lewandowska , Marek Bekisz , Aneta Szymaszek , Andrzej Wróbel , Elżbieta Szeląg


Recent studies have postulated that the temporal order (TO) of two successive events can be correctly identified if they are separated by an inter-stimulus interval (ISI) of at least 30 ms duration. Using Auditory Evoked Potentials, we tested 21 students for the cortical activation associated with TO detection of two successively presented tones in either ‘easy’ (ISI = 60 ms) or ‘difficult’ (ISI = 10 ms) conditions. The amplitude of P2 component was related to difficulty of TO perception and was significantly higher in ‘difficult’ than ‘easy’ condition. Moreover, in ‘difficult’ condition the correlation analyses revealed a negative association at both Fz and Cz electrodes between P2 amplitudes and the correctness level. Correct responses in this condition were accompanied by lower P2 amplitudes than the incorrect ones.
Author Monika Lewandowska (Wydział Psychologii)
Monika Lewandowska,,
- Wydział Psychologii
, Marek Bekisz (Wydział Psychologii)
Marek Bekisz,,
- Wydział Psychologii
, Aneta Szymaszek (Wydział Psychologii)
Aneta Szymaszek,,
- Wydział Psychologii
, Andrzej Wróbel (Wydział Nauk Humanistycznych i Społecznych)
Andrzej Wróbel,,
- Wydział Nauk Humanistycznych i Społecznych
, Elżbieta Szeląg (Wydział Psychologii)
Elżbieta Szeląg,,
- Wydział Psychologii
Journal seriesNeuroscience Letters, ISSN 0304-3940, (A 20 pkt)
Issue year2008
Publication size in sheets0.5
Keywords in EnglishTemporal order; Temporal order threshold; Auditory Evoked Potentials; P2 component
ASJC Classification2800 General Neuroscience
Languageen angielski
NSL-EEG-Szelag-2008.pdf of 14-09-2015
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Score (nominal)20
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2014 = 0.735; WoS Impact Factor: 2008 = 2.2 (2) - 2008=2.189 (5)
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