The social brain hypothesis proposes that large neocortex size evolved to support
cognitively demanding social interactions. Accordingly, previous studies have observed that …

The social brain hypothesis proposes that the large size of the primate neocortex evolved to
support complex and demanding social interactions. Accordingly, recent studies have …

Social networks are known to protect cognitive function in old age. For the first time, this
study examines how social network size and social network embeddedness measured by k …

The social brain hypothesis proposes that the complexity of human brains has coevolved
with increasing complexity of social interactions in primate societies. The present study …

The increasing ubiquity of web-based social networking services is a striking feature of
modern human society. The degree to which individuals participate in these networks varies …

Recent neuroimaging studies in humans have indicated that individual differences in social
network size correlate with amygdala volume and the volume of brain regions associated …

The social brain hypothesis, an explanation for the unusually large brains of primates, posits
that the size of social group typical of a species is directly related to the volume of its …

Extensive social networks are associated with better physical, mental, and cognitive health
in aging, but the underlying brain substrates remain largely unexplored. Voxel-based …

Objectives: Social engagement has been linked to preserved cognitive functioning in later
life. While social engagement is often operationalized as social network size, social …

The objective of the present study was to examine relations between social network size and
three cognitive abilities (episodic memory, semantic memory, visuospatial ability) in middle …