Abstract:One contribution of 15 to a theme issue 'Attending to and neglecting people'. Human behaviour is context-dependent-based on predictions and influenced by the environment and other people. We live in a dynamic world where both the social stimuli and their context are constantly changing. Similar dynamic, natural stimuli should, in the future, be increasingly used to study social brain functions, with parallel development of appropriate signal-analysis methods. Understanding dynamic neural processes also require… Show more
“…However, although traditional research on shared pain implies that the target of the pain and the observer undergo simultaneous activation, research to date has been based on a "singleperson" approach. This approach involves an artificial environment in which a single isolated human response is simplified and analyzed, but it does not consider the additional element involved in social interaction per se and therefore does not allow testing real-time brain coupling between target and observer (39). Researchers have increasingly acknowledged that pain is affected by multidimensional factors.…”
The mechanisms underlying analgesia related to social touch are not clear. While recent research highlights the role of the empathy of the observer to pain relief in the target, the contribution of social interaction to analgesia is unknown. The current study examines brain-to-brain coupling during pain with interpersonal touch and tests the involvement of interbrain synchrony in pain alleviation. Romantic partners were assigned the roles of target (pain receiver) and observer (pain observer) under pain-no-pain and touch-no-touch conditions concurrent with EEG recording. Brain-to-brain coupling in alpha-mu band (8-12 Hz) was estimated by a three-step multilevel analysis procedure based on running window circular correlation coefficient and post hoc power of the findings was calculated using simulations. Our findings indicate that hand-holding during pain administration increases brain-to-brain coupling in a network that mainly involves the central regions of the pain target and the right hemisphere of the pain observer. Moreover, brain-to-brain coupling in this network was found to correlate with analgesia magnitude and observer's empathic accuracy. These findings indicate that brain-to-brain coupling may be involved in touch-related analgesia.
“…However, although traditional research on shared pain implies that the target of the pain and the observer undergo simultaneous activation, research to date has been based on a "singleperson" approach. This approach involves an artificial environment in which a single isolated human response is simplified and analyzed, but it does not consider the additional element involved in social interaction per se and therefore does not allow testing real-time brain coupling between target and observer (39). Researchers have increasingly acknowledged that pain is affected by multidimensional factors.…”
The mechanisms underlying analgesia related to social touch are not clear. While recent research highlights the role of the empathy of the observer to pain relief in the target, the contribution of social interaction to analgesia is unknown. The current study examines brain-to-brain coupling during pain with interpersonal touch and tests the involvement of interbrain synchrony in pain alleviation. Romantic partners were assigned the roles of target (pain receiver) and observer (pain observer) under pain-no-pain and touch-no-touch conditions concurrent with EEG recording. Brain-to-brain coupling in alpha-mu band (8-12 Hz) was estimated by a three-step multilevel analysis procedure based on running window circular correlation coefficient and post hoc power of the findings was calculated using simulations. Our findings indicate that hand-holding during pain administration increases brain-to-brain coupling in a network that mainly involves the central regions of the pain target and the right hemisphere of the pain observer. Moreover, brain-to-brain coupling in this network was found to correlate with analgesia magnitude and observer's empathic accuracy. These findings indicate that brain-to-brain coupling may be involved in touch-related analgesia.
“…Along with previous studies (15,17), the ventral and dorsal mPFC, PCC/precuneus, and pSTS/TPJ were more strongly involved during cogEMP than affEMP, whereas the anterior insula, inferior frontal gyrus, premotor cortex, STS, and cerebellum were more prominently involved during affEMP than cogEMP. One potential explanation for these differences is differential involvement of mentalization (15,17) and motormirroring (48) in cognitive and affective empathy.…”
Social-anxiety disorder involves a fear of embarrassing oneself in the presence of others. Taijin-kyofusho (TKS), a subtype common in East Asia, additionally includes a fear of embarrassing others. TKS individuals are hypersensitive to others’ feelings and worry that their physical or behavioral defects humiliate others. To explore the underlying neurocognitive mechanisms, we compared TKS ratings with questionnaire-based empathic disposition, cognitive flexibility (set-shifting), and empathy-associated brain activity in 23 Japanese adults. During 3-tesla functional MRI, subjects watched video clips of badly singing people who expressed either authentic embarrassment (EMBAR) or hubristic pride (PRIDE). We expected the EMBAR singers to embarrass the viewers via emotion-sharing involving affective empathy (affEMP), and the PRIDE singers to embarrass via perspective-taking involving cognitive empathy (cogEMP). During affEMP (EMBAR > PRIDE), TKS scores correlated positively with dispositional affEMP (personal-distress dimension) and with amygdala activity. During cogEMP (EMBAR < PRIDE), TKS scores correlated negatively with cognitive flexibility and with activity of the posterior superior temporal sulcus/temporoparietal junction (pSTS/TPJ). Intersubject correlation analysis implied stronger involvement of the anterior insula, inferior frontal gyrus, and premotor cortex during affEMP than cogEMP and stronger involvement of the medial prefrontal cortex, posterior cingulate cortex, and pSTS/TPJ during cogEMP than affEMP. During cogEMP, the whole-brain functional connectivity was weaker the higher the TKS scores. The observed imbalance between affEMP and cogEMP, and the disruption of functional brain connectivity, likely deteriorate cognitive processing during embarrassing situations in persons who suffer from other-oriented social anxiety dominated by empathic embarrassment.
“…In fact, a report from a National Science Foundation workshop on mapping and engineering the brain has identified neuroimaging in interactive and naturalistic environments as one of three grand challenges in mapping the human brain (He et al, 2013). At the same time a Frontiers Research Topic (Pfeiffer et al, 2013) has brought together over 50 contributions addressing this issue from multiple perspectives and just recently a special themed issue of the Philosophical Transactions of the Royal Society (Hari et al, 2016) added 15 more contributions, all attempting to shed some light on what has been termed the "dark matter" of social neuroscience.…”
Section: Social-emotional Overlap In the Brainmentioning
Human emotional experiences naturally occur while interacting in a spontaneous, dynamic and response contingent fashion with other humans. This resonates with both theoretical considerations as well as neuroimaging findings that illustrate the nexus between the "social" and "emotional" brain suggesting a domain-general organization of the brain. Nevertheless, most knowledge in affective neuroscience stems from studying the brain in isolation from its natural social environment. Whether social interactions are constitutive or not to the understanding of other people's intentions, incorporating such interactions is clearly required for ecological validity. Moreover, since interpersonal interactions may influence emotional experiences and expressions, interactive paradigms may advance the theoretical understanding of what emotions are and what about them is social, and will correspondingly characterize their underlying neural substrates. We highlight the recent conceptual and experimental advances of bringing realistic social interactions into the neuroimaging lab; review emotion-induction paradigms and consider their congruency with features of social interactions; and emphasize the importance of embedding such spontaneous and dynamic interactive paradigms in the field of affective neuroscience.
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