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- W2183687178 abstract "
 
 
 Background: In this study, we investigated the influence of two types of emotional auditory primes - vocalizations and pseudoutterances - on the ability to judge a subsequently presented emotional facial expression in an event-related potential (ERP) study using the facial-affect decision task. We hypothesized that accuracy would be greater for congruent trials than for incongruent trials. This is due to the possibility that a congruent prime would allow the listener to implicitly identify the particular emotion of the face more effectively. We also hypothesized that the normal priming effect would be observed in the N400 for both prime types, i.e. a greater negativity for incongruent trials than for congruent trials.
 Methods: Emotional primes (vocalization or pseudoutterance) were presented to participants who were then asked to make a judgment regarding whether or not a facial expression conveyed an emotion. Behavioural data on participant accuracy and experimental electroencephalogram (EEG) data were collected and subsequently analyzed for six participants.
 Results: Behavioural results showed that participants were more accurate in judging faces when primed with vocalizations than pseudoutterances. ERP results revealed that a normal priming effect was observed for vocalizations in the 150 msec - 250 msec temporal window – where greater negativities were produced during incongruent trials than during congruent trials – whereas the reverse effect was observed for pseudoutterances. Few participants were tested (n = 7). Hence, this study is a pilot study preceding a further study conducted with a greater sample size (n = 25) and slight modifications in the methodology (such as the duration of auditory primes.)
 Conclusions: Vocalizations showed the expected priming effect of greater negativities for incongruent trials than for congruent trials, while pseudoutterances unexpectedly showed the opposite effect. These results suggest that vocalizations may provide more prosodic information in a shorter time and thereby generate the expected congruency effect.
 
 
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- W2183687178 date "2013-03-31" @default.
- W2183687178 modified "2023-10-05" @default.
- W2183687178 title "A study of the effect of auditory prime type on emotional facial expression recognition" @default.
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- W2183687178 doi "https://doi.org/10.26443/msurj.v8i1.111" @default.
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