Research

Our research focuses on how social interactions and the feedback we receive in these interactions shape our understanding of ourselves and others. We hypothesize that all current beliefs we have about ourselves, and others are contextualized in historically evolved self-images and linked to the emotions and motives we experience during our social interactions.

Self-efficacy, controllability, effort and affective consequences

Subjective beliefs about control over the social and non-social environment are central to well-being and health. When we believe that we have brought about a positive outcome relevant to ourselves, such as achieving a personal goal, the associated affect (e.g. pride) has a lasting impact on our development. The loss of the idea of being the architect of one’s own future is in turn closely linked to depressive symptoms such as learned helplessness, diminished self-esteem and lack of motivated behaviour. Some forms of addiction can also disrupt otherwise functioning processes and lead to an unwarranted sense of control. In our research projects on this topic, we seek to develop new approaches to understand the neural systems underlying control beliefs, self-efficacy and affective consequences in order to explain the variability in human behaviour and psychiatric symptoms. (see Stolz et al., 2020).

Novel methods to examine social interactions

The social neurosciences of psychiatric disorders are in a phase of profound change. New methodological developments make it possible to identify the causes of developmental disorders of the central nervous system no longer exclusively in the functioning of individual brain regions, but rather understand dysfunctional interactions of specialized and spatially separated brain structures as the basis for their symptoms. In our research we aim to translate classic experimental designs that examined psychological processes largely in “social isolation” into more interactive settings where two or more persons directly exchange information (Krach et al., 2013). 

Stress and the immune system

It has been shown that stress causes an activation of the immune system and that chronic stress is often associated with subclinical systemic inflammation. This inflammation is considered a risk factor for many somatic diseases but has also been shown to be significant in the field of psychiatric disorders. Our research group, therefore, investigates interactions between stress and immune systems in mental diseases such as depression or addiction (Schwarze et al., 2024). As systemic inflammation induces “sickness behavior” which includes social withdrawal, we put a special focus on how neural processing of social interactions is affected by stress and inflammatory parameters (Voges et al., 2022).  

Meta-Science

Our lab is interested in (at least) two kinds of meta-science: on the one hand, we approach meta-science from a methodological perspective. Here, we focus on questions related to the reliability or replicability of fMRI data (e.g. Frässle et al., 2015), effect size measures (Paulus et al., 2013) or the interpretation of fMRI findings (Bedenbender et al., 2011). On the other hand, we approach meta-science from a perspective of implications. Here, we focused on questions regarding implied culturalistic/neo-racist (Martinez Mateo et al., 2012, Martinez Mateo et al., 2013a; Martinez Mateo et al., 2013b), racist (Heinz et al., 2014), essentialist or sexist (Sayyad & Krach, 2020) concepts of fMRI research. In several other meta-science projects from our lab we targeted potential drawbacks and misconceptions of the achievement-oriented academic system (see e.g. “The impact factor fallacy”; Paulus et al., 2016 or how the “Journal impact factor shapes scientists’ reward signal in the prospect of publication”; Paulus et al., 2015). More recently, we published the Shiny-App GrantInq to allow for a simulation of funding systems with regard to their effects on economic burden, quality, and diversity (Luebber et al., 2023). 

Social emotions: Embarrassment, pride, shame or guilt

Humans as social creatures are susceptible to various social emotions that emerge in the presence of others. Embarrassment is the consequence if one behaves in a bearish, inept way (Müller-Pinzler et al., 2015). Public settings do not only lead to feelings of embarrassment for one’s own misadventures, but can also be the source of embarrassment about other people’s flawed behavior. This phenomenon has been termed empathic or vicarious embarrassment and coined as “fremdscham” or more recently as “cringe” in the German language (see e.g. Paulus et al., 2013Mayer et al., 2020 or Mayer et al., 2021). For the past few years, we have been studying the neural processes underlying the observation of cringeworthy behaviors (Paulus et al., 2013), its relation to other forms of social pain, and its modulation by personality (Krach et al., 2011). Further, we conceptually distinguished vicarious embarrassment from schadenfreude (Paulus et al., 2018), elaborated how social closeness (Müller-Pinzler et al., 2016) or meditation (Laneri et al., 2017) impacts the experience of vicarious embarrassment and how these emotions are represented in clinical populations (Krach et al., 2015; Stroht et al., 2019). In a recent collaboration with researchers from Michigan State University and Frankfurt am Main we linked cringeworthy behaviors of US representatives to embarrassment spikes on Twitter and reasoned about the implications and consequences (Paulus et al., 2019).

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