Highlights•Co-experienced positive affective states have distinct characteristics from
intraindividual affective states.•Co-experienced positive affect is important for …

Social baseline theory (SBT) maintains that the primary human ecology is a social ecology.
Because of this fact, the theory predicts that humans will find it easier and less energetically …

Theories such as social baseline theory have argued that social groups serve a regulatory
function but have not explored whether this regulatory process carries costs for the group …

Psychologists often assume that social and cognitive processes operate independently, an
assumption that prompts research into how social context influences cognitive processes …

Although research suggests distressed individuals benefit from others' empathy, it is unclear
how an individual's level of empathy influences dyadic responses during emotional …

It is not wise to generalize psychophysiological findings from WEIRD (Western, Educated,
Industrialized, Rich, Democratic) samples to all people and yet this occurs frequently in …

There exist extensive animal research and lesion studies in humans demonstrating a tight
association between the hypothalamus and socioemotional behavior. However, human …

Historical evidence from stimulation and lesion studies in animals and humans
demonstrated a close association between the hypothalamus and typical and atypical …

The intellectual tradition of individualism treats the individual person as the fundamental unit
of analysis and reduces all things social to the motives and actions of individuals. Most …

Abstract Background and Objectives Motivated by the high rates of health problems found
among caregivers of persons with neurodegenerative disease, we examined associations …