Publications by authors named "Ryan Hampton"

This research investigated how an instance of intergroup helping affects intergroup attitudes and cooperative behavior. Past research demonstrates that helping behavior elicits prosociality, both reciprocally and toward uninvolved third parties. However, much of this research has either ignored group membership altogether or has assumed a shared group identity between benefactor and beneficiary.

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In 1990, the United States' Institute of Medicine promoted the principles of outcomes monitoring in the alcohol and other drugs treatment field to improve the evidence synthesis and quality of research. While various national outcome measures have been developed and employed, no global consensus on standard measurement has been agreed for addiction. It is thus timely to build an international consensus.

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Cultural differences in emotion expression, experience, and regulation can cause misunderstandings with lasting effects on interpersonal, intergroup, and international relations. A full account of the factors responsible for the emergence of different cultures of emotion is therefore urgent. Here we propose that the ancestral diversity of regions of the world, determined by colonization and sometimes forced migration of humans over centuries, explains significant variation in cultures of emotion.

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Romantic love involves an evaluative process in which couples weigh similarities and differences that facilitates pair bonding. We investigated neural attentive processes (P3) during evaluative relationship feedback within existing romantic couples using the Relationship Match Game. This paradigm included participant-driven expectations about relationship matching and relationship feedback from an expert panel of fictive peers and their romantic partner.

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Empathy has been a key focus of social, developmental, and affective neuroscience for some time. However, research using neural measures to study empathy in response to social victimization is sparse, particularly for young children. In the present study, 58 children's (White, non-Hispanic; five to nine years old) mu suppression was measured using electroencephalogram methods (EEG) as they viewed video scenarios depicting social injustices toward White and Black children.

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In the present research, we assessed the effects of culture on the ability to regulate affective neural responses. Using an event-related potential design focusing on the centroparietal late positive potential (LPP), we found that cultural groups differed in their ability to intentionally regulate these responses. As a group, European Americans demonstrated successful up-regulation of the LPP in response to positive and negative valence images, as did participants from Mexican cultural backgrounds who also showed successful down-regulation of the LPP in response to positive valence images.

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Psychologists have long debated whether self-enhancement is universal or varies across cultures. Extant studies using explicit and implicit measures have provided mixed results. In this study (N = 93; 35 European American, 58 Chinese: 28 tested in English, 30 tested in Mandarin), we measured self-enhancement covertly using an ERP paradigm.

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The present study (N = 55) used an event-related potential paradigm to investigate whether cultures differ in the ability to upregulate affective responses. Using stimuli selected from the International Affective Picture System, we found that European-Americans (N = 29) enhanced central-parietal late positive potential (LPP) (400-800 ms post-stimulus) responses to affective stimuli when instructed to do so, whereas East Asians (N = 26) did not. We observed cultural differences in the ability to enhance central-parietal LPP responses for both positively and negativelyvalenced stimuli, and the ability to enhance these two types of responses was positively correlated for Americans but negatively for East Asians.

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