Banca de DEFESA: MATEUS SILVESTRIN

Uma banca de DEFESA de DOUTORADO foi cadastrada pelo programa.
DISCENTE : MATEUS SILVESTRIN
DATA : 28/06/2022
HORA: 08:30
LOCAL: Remoto
TÍTULO:

Absolute duration and relative duration in temporal discrimination tasks: evidence from event-related potentials

PÁGINAS: 50
GRANDE ÁREA: Outra
ÁREA: Multidisciplinar
RESUMO:

The perception of temporal intervals is essential for perception and behaviour. Usually, this ability is investigated by presenting pairs of temporal intervals and asking participants to compare them. However, the lack of clear neural correlates and methodological issues limit our understanding of the underlying mechanisms of temporal processing. The present thesis investigated the neural correlates of interval timing in temporal categorization tasks. We used two psychophysical experiments with electroencephalography (EEG) to study the neural signals during and after the presentation of an interval while it was compared to a reference interval. We investigated whether EEG activity was related to the intervals' absolute duration and/or to the interval's category (relative duration). In the first experiment, participants had to learn a hidden reference interval using their categorization responses. Duration and category of the intervals were both significant predictors of the N200 amplitude and a late positive component (LPC) post-target interval. In the second experiment, we used a classic interval categorization task. However, we designed the parameters to make interval duration and category independent. Once again, we found effects for the post-interval N200 and LPC: category showed a strong impact on both potentials and duration showed a weaker effect. Our results suggest that temporal categorization is a highly flexible process and that its neural correlates are independently associated with absolute and relative interval duration. This association is detectable in both early and late stages of decision making.

MEMBROS DA BANCA:
Presidente - Interno ao Programa - 1955999 - ANDRE MASCIOLI CRAVO
Membro Titular - Examinador(a) Interno ao Programa - 1766041 - MARCELO BUSSOTTI REYES
Membro Titular - Examinador(a) Externo à Instituição - MIRTES GARCIA PEREIRA
Membro Titular - Examinador(a) Externo à Instituição - ALTAY ALVES LINO DE SOUSA - UNIFESP
Membro Titular - Examinador(a) Externo à Instituição - MARCUS VINICIUS CHRYSOSTOMO BALDO - USP
Membro Suplente - Examinador(a) Interno ao Programa - 1954058 - MARCELO SALVADOR CAETANO
Membro Suplente - Examinador(a) Interno ao Programa - 3015190 - RODRIGO PAVAO
Membro Suplente - Examinador(a) Externo à Instituição - RAYMUNDO MACHADO DE AZEVEDO NETO - USP
Membro Suplente - Examinador(a) Externo à Instituição - GUSTAVO ROHENKOHL - USP