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Full-Text Articles in Psychology

Left Inferior Frontal Gyrus Connectivity With The Dorsomedial Subsystem Of Default Network Tracks Real-World Conversation Behaviour, Dhaval M. Bhatt Jul 2023

Left Inferior Frontal Gyrus Connectivity With The Dorsomedial Subsystem Of Default Network Tracks Real-World Conversation Behaviour, Dhaval M. Bhatt

Dartmouth College Master’s Theses

Social interactions are multifaceted, complex, and critical to social behaviour as they help gather information, develop social connections, and regulate social behaviour (Lakey & Orehek, 2011; Testard et al., 2021; Jolly & Chang, 2021). Among social interactions, conversations find a special place for humans due to the nuances associated with language, conversational behaviour (e.g., gestures), and context (e.g., where conversations occur and what is discussed). Researchers have studied aspects of single conversation behaviour, content related to conversations, and brain function (Sievers et al., 2020). However, little is known about the brain function of densely-sampled in-person conversation behaviour. Filling this gap …


Say That Again: The Role Of Multimodal Redundancy In Communication And Context, Brandon Javier Dormes Jun 2023

Say That Again: The Role Of Multimodal Redundancy In Communication And Context, Brandon Javier Dormes

Cognitive Science Senior Theses

With several modes of expression, such as facial expressions, body language, and speech working together to convey meaning, social communication is rich in redundancy. While typically relegated to signal preservation, this study investigates the role of cross-modal redundancies in establishing performance context, focusing on unaided, solo performances. Drawing on information theory, I operationalize redundancy as predictability and use an array of machine learning models to featurize speakers' facial expressions, body poses, movement speeds, acoustic features, and spoken language from 24 TEDTalks and 16 episodes of Comedy Central Stand-Up Presents. This analysis demonstrates that it is possible to distinguish between these …


What Makes Conversation Good? How Responsivity, Topics, And Insider Language Predict Feelings Of Connection, Emma M. Templeton Jan 2023

What Makes Conversation Good? How Responsivity, Topics, And Insider Language Predict Feelings Of Connection, Emma M. Templeton

Dartmouth College Ph.D Dissertations

We spend our lives having conversations, and some inevitably go better than others. What happens in conversation that makes people feel connected? To explore this question, I recorded pairs of strangers and friends having unstructured conversations. In Chapter 1, I show that people who feel connected tend to respond quickly, creating short gaps between turns. However, long gaps are not necessarily bad. Although long gaps signal moments of disconnection and awkwardness for strangers, they mark moments of heightened connection for friends by providing space for enjoyment and mutual reflection. In Chapter 2, I examine how people start their conversations. Specifically, …


Mapping The Malleable Self: How Self-Views Are Represented And Learned Within The Social Brain, Sasha Carmela Brietzke Jan 2023

Mapping The Malleable Self: How Self-Views Are Represented And Learned Within The Social Brain, Sasha Carmela Brietzke

Dartmouth College Ph.D Dissertations

Humans possess a unique and wide-ranging ability to self-reflect that takes center stage in our everyday cognition. While many people believe their own self to be immutable, different contexts may warp how we perceive the self. The goal of this dissertation is to investigate two lenses through which we may view the self: (1) across time in the past and future, and (2) through the eyes of others via evaluative feedback. In Studies 1-3, I demonstrate that people’s ratings of their own personality become increasingly less differentiated as they consider more distant past and future selves. This effect was preferential …