BILLEKE BOBADILLA, PABLO ERNESTO
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BILLEKE BOBADILLA, PABLO ERNESTO
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pbilleke@udd.cl
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8229414600

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Attending to the heart is associated with posterior alpha band increase and a reduction in sensitivity to concurrent visual stimuli

2017 , Mario Villena-González , Cristóbal Moënne-Loccoz , Rodrigo A. Lagos , Luz M. Alliende , BILLEKE BOBADILLA, PABLO ERNESTO , Francisco Aboitiz , Vladimir López , Diego Cosmelli

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Another in need enhances prosociality and modulates frontal theta oscillations in young adults

2023 , Claudio Lavín , SOTO ICAZA, PATRICIA , Vladimir López , BILLEKE BOBADILLA, PABLO ERNESTO

Decision-making is a process that can be strongly affected by social factors. Evidence has shown how people deviate from traditional rational-choice predictions under different levels of social interactions. The emergence of prosocial decision-making, defined as any action that is addressed to benefit another individual even at the expense of personal benefits, has been reported as an example of such social influence. Furthermore, brain evidence has shown the involvement of structures such as the prefrontal cortex, anterior insula, and midcingulate cortex during decision settings in which a decision maker interacts with others under physical pain or distress or while being observed by others.MethodsUsing a slightly modified version of the dictator game and EEG recordings, we tested the hypothesis that the inclusion of another person into the decision setting increases prosocial decisions in young adults and that this increase is higher when the other person is associated with others in need. At the brain level, we hypothesized that the increase in prosocial decisions correlates with frontal theta activity.Results and DiscussionThe results showed that including another person in the decision, setting increased prosocial behavior only when this presence was associated with someone in need. This effect was associated with an increase in frontocentral theta-oscillatory activity. These results suggest that the presence of someone in need enhances empathy concerns and norm compliance, raising the participants’ prosocial decision-making.

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Us versus them mentality in football fans: Significant social defeat engages the mentalization network and disengages cognitive control areas

2022 , ZAMORANO MENDIETA, FRANCISCO , CARVAJAL PAREDES, PATRICIO ALEJANDRO , SOTO ICAZA, PATRICIA , César Salinas , STECHER GUZMAN, XIMENA PATRICIA , MUÑOZ REYES, JOSÉ ANTONIO , Vladimir López , Waldemar Méndez , Joel Barrera , Gonzalo Aragón-Caqueo , BILLEKE BOBADILLA, PABLO ERNESTO

Social affiliation is one of the building blocks that shapes cultures and communities. This motivation contributes to the development of social bonding among individuals within a group, enjoying rights, assuming obligations, and strengthening its identity. Evidence has shown that social affiliation has inspired different social phenomena, such as wars, political movements, social struggles, among others, based on two human motivations: the ingroup love and the outgroup hate. One contemporary group to study as a proxy of social affiliation, and ingroup and outgroup motivations is the sports competition. However, this affiliation model has been poorly considered in social neuroscience research. This research aimed to shed light on the neurobiological networks that are related to social affiliation in football fans of two of the most popular Chilean football teams. Methods: To this end, 43 male fans of two football rival teams watched videos of winning and losing goals of their favorite team while their brain activity was measured with functional magnetic resonance imaging (fMRI). Results: The results showed that while the activation of the reward system was observed in fans when their team scores goals against the rival, both the activation of the mentalization network and the inhibition of the dorsal anterior cingulate cortex were associated with the emotional correlates of defeat in football fans. Conclusions: Taking these findings together could contribute to a deeper understanding of social affiliation, and more importantly, of extreme affiliation phenomena, and fanaticism.

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Temporal Constraints of Behavioral Inhibition: Relevance of Inter-stimulus Interval in a Go-Nogo Task

2014 , ZAMORANO MENDIETA, FRANCISCO JAVIER , BILLEKE BOBADILLA, PABLO ERNESTO , José M. Hurtado , Vladimir López , Ximena Carrasco , Tomás Ossandón , Francisco Aboitiz , Chris Chambers

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