1,720,997 research outputs found
Brain networks of social action-outcome contingency: the role of the ventral striatum in integrating signals from the sensory cortex and medial prefrontal cortex.
No full textSumiya M, Koike T, Okazaki S, Kitada R* & Sadato N* (2017) Brain networks of social action-outcome contingency: the role of the ventral striatum in integrating signals from the sensory cortex and medial prefrontal cortex. Neuroscience Research 123, 43-5
Replication Data for: Distinct sensitivities of the lateral prefrontal cortex and extrastriate body area to contingency between executed and observed actions
No full textDetecting relationships between our own actions and the subsequent actions of others is critical for our social behavior. Self-actions differ from those of others in terms of action kinematics, body identity, and feedback timing. Thus, the detection of social contingency between self-actions and those of others requires comparison and integration of these three dimensions. Neuroimaging studies have highlighted the role of the frontotemporal network in action representation, but the role of each node and their relationships are still controversial. Here, we conducted a functional MRI experiment to test the hypothesis that the lateral prefrontal cortex and lateral occipito-temporal cortex are critical for the integration processes for social contingency. Twenty-four adults performed right finger gestures and then observed them as feedback. We manipulated three parameters of visual feedback: action kinematics (same or different gestures), body identity (self or other), and feedback timing (simultaneous or delayed). Three-way interactions of these factors were observed in the left inferior and middle frontal gyrus (IFG/MFG). These areas were active when self-actions were directly fed back in real-time (i.e., the condition causing a sense of agency), and when participants observed gestures performed by others after a short delay (i.e., the condition causing social contingency). In contrast, the left extrastriate body area (EBA) was sensitive to the concordance of action kinematics regardless of body identity or feedback timing. Body identity × feedback timing interactions were observed in regions including the superior parietal lobule (SPL). An effective connectivity analysis supported the model wherein experimental parameters modulated connections from the occipital cortex to the IFG/MFG via the EBA and SPL. These results suggest that both social contingency and the sense of agency are achieved by hierarchical processing that begins with simple concordance coding in the left EBA, leading to the complex coding of social relevance in the left IFG/MFG
Altered perspective-dependent brain activation while viewing hands and associated imitation difficulties in individuals with autism spectrum disorder
No full textOkamoto Y*, Kitada R, Miyahara M, Kochiyama T, Naruse H, Sadato N, Okazawa H, Kosaka H (2018) Altered perspective-dependent brain activationfor viewing hands and associated imitation difficulties for individuals with ASD NeuroImage: Clinical, 19, 384-39
Cross-cultural similarity in relationship-specific social touching
No full textCross-cultural similarity in relationship-specific social touching
Neural correlates underlying change in state self-esteem
No full textKawamichi H*, Sugawara SK, Hamano YH, Kitada R, Nakagawa E, Kochiyama T, Sadato N (2018) Neural correlates underlying change in state self-esteem Sci Rep, 8, 179
Brain networks underlying tactile softness perception: a functional magnetic resonance imaging study.
No full textThis paper has open access articl
Brain networks involved in tactile speed classification of moving dot patterns: the effects of speed and dot periodicity
No full textYang J, Kitada R*, Kochiyama T, Yu Y, Makita K, Araki Y, Wu J* and Sadato N (2017) Brain networks involved in tactile speed classification of moving dot patterns: the effects of speed and dot periodicity Scientific Reports, 7, 4093
The Effect of Dual-Hemisphere Transcranial Direct Current Stimulation Over the Parietal Operculum on Tactile Orientation Discrimination.
No full textFujimoto S, Tanaka S, Laakso I, Yamaguchi T, Kon N, Nakayama T, Kondo K and Kitada R* (2017) The Effect of Dual-Hemisphere Transcranial Direct Current Stimulation Over the Parietal Operculum on Tactile Orientation Discrimination. Frontiers in Behavioral Neuroscience 11:173
Cross-cultural similarities and differences of social touch : a literature review
No full textThere has been considerable interest in the research on cultural variations of our cognition and behavior. However, relatively little is known about cultural variations on interpersonal touch, such as touching behaviors with those from family members and those to strangers. The division between a biologically-driven perspective and culturally-driven perspective has long been a subject in the field of interpersonal touch research. However, current literature has yet to provide conclusive answers, partly due to fewer studies examining this psychological phenomenon than well-understood ones (e.g., facial expressions). Could biological mechanisms explain for psychological phenomenon of social touch, or could a more complex cultural perspective provide a better understanding? Thus, this thesis aims to provide reviews on previous literatures on this topic. A possible framework of enquiry was suggested by Norenzayan & Heine (2005). Their framework represents the concept of universality in a spectrum, and each classification is influenced by cultural factors to varying degrees. This has led the author to hypothesize that instead of subscribing to either a pure-biological or pure-cultural perspective, it might be more adequate to critically analyze this psychological phenomenon’s degree of universality (or non- universality) along a spectrum according to different levels and classifications of universality. The present report begins with a brief introduction and outlining the current literature of interpersonal social touch. Next, the author will examine the biological notion of interpersonal touch as part of a biological (cultural-independent) argument. The author will then discuss the cultural dependency of interpersonal touch – explaining the transmission of cultural norms, placing emphasis on studies conducted on cultural proxemics. Lastly, the author will suggest different methodologies and frameworks in which future inter-cultural studies may consider, as well as suggesting a viable direction for future research with expected results.Bachelor of Arts in Psycholog
Understanding social media addiction from a humanistic perspective : a review
No full textSocial media use is increasing at an alarming rate and has been consistently led by users aged 18 to 29. Similarly, more social media users are finding it difficult to give up social media, raising concerns that social media addiction (SMA) may be growing in the population. Currently, the neurobiological perspective of SMA has been getting more attention in SMA research. In contribution to growing SMA research, this paper reviews whether humanistic theories, namely Maslow’s Hierarchy of Needs and Rogers’ Theory of Self, sufficiently explain the factors associated with SMA - personality traits, impression management, fear of missing out (FoMO) and social comparison - and the consequences of SMA - emotional, relational, health and performance problems. This paper also reviews whether humanistic-existential approaches, namely person-centered, logo and meaning therapies, all of which focus on improving individual decision-making abilities, complement existing therapeutic interventions for SMA and offer new possibilities for the future of SMA treatments.Bachelor of Arts in Psycholog
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