SABRINA BRIGADOI
Assistant Professor
Telephone: 0498276548
Via Venezia 8 – Room 03.008
sabrina.brigadoi@unipd.it
Via Venezia 8 – Room 03.008
sabrina.brigadoi@unipd.it
Research Areas
fNIRS – functional near-infrared spectroscopy
Visual short-term memory
Selected Publications
Sorry, no publications matched your criteria.
Publications
0000
Dell’Acqua, Roberto; Doro, Mattia; Brigadoi, Sabrina; Drisdelle, Brandi L.; Simal, Amour; Baro, Valentina; Jolicœur, Pierre
On target selection as reflected by posterior ERP components in feature-guided visual search Journal Article Forthcoming
In: Psychophysiology, Forthcoming.
@article{dellacquab,
title = { On target selection as reflected by posterior ERP components in feature-guided visual search},
author = {Roberto Dell’Acqua and Mattia Doro and Sabrina Brigadoi and Brandi L. Drisdelle and Amour Simal and Valentina Baro and Pierre Jolicœur},
journal = {Psychophysiology},
abstract = { The N2pc event-related potential is a widely studied component that reflects the covert deployment of visuo-spatial attention to target stimuli displayed laterally relative to fixation. Recently, an analogous component, named N2pcb, has been proposed as a marker of the deployment of visuo-spatial attention to targets displayed on the vertical midline. Two studies that investigated the N2pcb component found analogous results, using however two different algorithms to compute the amplitude of N2pcb. One study subtracted the ipsilateral activity elicited by a lateral target from the bilateral activity elicited by a target displayed on the vertical midline, whereas the other study subtracted the bilateral activity elicited by target-absent displays from the bilateral activity elicited by a target displayed on the vertical midline. Here we show both algorithms estimate properly the N2pc as well as the N2pcb components. In addition, we explored whether the singleton detection positivity (SDP) component, a posterior bilateral positivity temporally concomitant to N2pc recently reported in studies using singleton search, could be observed in the present study in which a target was defined by a combination of features. Given that such component was indeed found using feature search, we named this component posterior processing positivity (PPP), and showed that bilateral activity elicited by target-absent displays is an adequate baseline for its correct isolation.},
keywords = {},
pubstate = {forthcoming},
tppubtype = {article}
}
The N2pc event-related potential is a widely studied component that reflects the covert deployment of visuo-spatial attention to target stimuli displayed laterally relative to fixation. Recently, an analogous component, named N2pcb, has been proposed as a marker of the deployment of visuo-spatial attention to targets displayed on the vertical midline. Two studies that investigated the N2pcb component found analogous results, using however two different algorithms to compute the amplitude of N2pcb. One study subtracted the ipsilateral activity elicited by a lateral target from the bilateral activity elicited by a target displayed on the vertical midline, whereas the other study subtracted the bilateral activity elicited by target-absent displays from the bilateral activity elicited by a target displayed on the vertical midline. Here we show both algorithms estimate properly the N2pc as well as the N2pcb components. In addition, we explored whether the singleton detection positivity (SDP) component, a posterior bilateral positivity temporally concomitant to N2pc recently reported in studies using singleton search, could be observed in the present study in which a target was defined by a combination of features. Given that such component was indeed found using feature search, we named this component posterior processing positivity (PPP), and showed that bilateral activity elicited by target-absent displays is an adequate baseline for its correct isolation.
Dell’Acqua, Roberto; Doro, Mattia; Brigadoi, Sabrina; Drisdelle, Brandi Lee; Simal, Amour; Baro, Valentina; Jolicœur, Pierre
On target selection as reflected by posterior ERP components in feature-guided visual search Journal Article Forthcoming
In: Psychophysiology, Forthcoming.
@article{dellacquac,
title = { On target selection as reflected by posterior ERP components in feature-guided visual search},
author = { Roberto Dell’Acqua and Mattia Doro and Sabrina Brigadoi and Brandi Lee Drisdelle and Amour Simal and Valentina Baro and Pierre Jolicœur},
journal = {Psychophysiology},
abstract = { The N2pc event-related potential is a widely studied component that reflects the covert deployment of visuo-spatial attention to target stimuli displayed laterally relative to fixation. Recently, an analogous component, named N2pcb, has been proposed as a marker of the deployment of visuo-spatial attention to targets displayed on the vertical midline. Two studies that investigated the N2pcb component found analogous results, using however two different algorithms to compute the amplitude of N2pcb. One study subtracted the ipsilateral activity elicited by a lateral target from the bilateral activity elicited by a target displayed on the vertical midline, whereas the other study subtracted the bilateral activity elicited by target-absent displays from the bilateral activity elicited by a target displayed on the vertical midline. Here we show both algorithms estimate properly the N2pc as well as the N2pcb components. In addition, we explored whether the singleton detection positivity (SDP) component, a posterior bilateral positivity temporally concomitant to N2pc recently reported in studies using singleton search, could be observed in the present study in which a target was defined by a combination of features. Given that such component was indeed found using feature search, we named this component posterior processing positivity (PPP), and showed that bilateral activity elicited by target-absent displays is an adequate baseline for its correct isolation.},
keywords = {},
pubstate = {forthcoming},
tppubtype = {article}
}
The N2pc event-related potential is a widely studied component that reflects the covert deployment of visuo-spatial attention to target stimuli displayed laterally relative to fixation. Recently, an analogous component, named N2pcb, has been proposed as a marker of the deployment of visuo-spatial attention to targets displayed on the vertical midline. Two studies that investigated the N2pcb component found analogous results, using however two different algorithms to compute the amplitude of N2pcb. One study subtracted the ipsilateral activity elicited by a lateral target from the bilateral activity elicited by a target displayed on the vertical midline, whereas the other study subtracted the bilateral activity elicited by target-absent displays from the bilateral activity elicited by a target displayed on the vertical midline. Here we show both algorithms estimate properly the N2pc as well as the N2pcb components. In addition, we explored whether the singleton detection positivity (SDP) component, a posterior bilateral positivity temporally concomitant to N2pc recently reported in studies using singleton search, could be observed in the present study in which a target was defined by a combination of features. Given that such component was indeed found using feature search, we named this component posterior processing positivity (PPP), and showed that bilateral activity elicited by target-absent displays is an adequate baseline for its correct isolation.
Electronic versions of papers are provided as a professional courtesy to ensure timely dissemination of academic work for individual, noncommercial purposes. Copyright and all rights therein reside with the respective copyright holders, as stated in each paper. These files may not be reposted without permission.