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Alexandra Martelli

4 papers in the library · 95 citations · publishing 2018-2023

Papers

Brief mindfulness training enhances cognitive control in socioemotional contexts: Behavioral and neural evidence

PLoS One July 19, 2019 Jordan T. Quaglia, Fadel Zeidan, Peter G. Grossenbacher et al. 64 citations

Mindfulness training improves cognitive control in social situations by enhancing early top-down attention. In a randomized controlled study, participants who completed four brief mindfulness sessions showed better discrimination of facial expressions and more efficient cognitive control compared to a control group. Those with poorer baseline performance benefited most. Mindfulness also improved conflict monitoring of behavioral tendencies, as shown by larger No-Go N200 brain responses. These results suggest mindfulness helps people manage the unique demands of social contexts, particularly for those with greater room for improvement, and that early attention deployment may be a key mechanism behind mindfulness's regulatory benefits.

When less is more: mindfulness predicts adaptive affective responding to rejection via reduced prefrontal recruitment

Social Cognitive and Affective Neuroscience May 24, 2018 Alexandra Martelli, David Chester, Kirk Warren Brown et al. 31 citations

Mindfulness—receptive attentiveness to present-moment experience—may buffer the distress of social rejection. In a functional MRI study, participants reported their trait mindfulness, then played Cyberball, a social rejection game. Those higher in mindfulness reported less distress during rejection. This effect was mediated by lower activation in the left ventrolateral prefrontal cortex, a brain region linked to inhibiting negative affect. Mindfulness also correlated with weaker functional connectivity between that region and the amygdala and dorsal anterior cingulate cortex, areas involved in generating social distress. The findings suggest mindfulness may aid coping with rejection by not over-activating top-down regulatory mechanisms, potentially fostering more effective long-term emotion regulation.

Inside the mindful moment: The effects of brief mindfulness practice on large-scale network organization and intimate partner aggression

October 18, 2023 Hadley Rahrig, Liangsuo Ma, Kirk Warren Brown et al. preprint

A brief mindfulness induction altered functional brain networks in intimate partner dyads, reducing coherence within the Default Mode Network and increasing connectivity within the Frontoparietal Control and Salience Networks, while decoupling primary visual and attention-linked networks. However, these neural changes did not translate into reduced intimate partner aggression, and aggression was broadly unassociated with any network indices. The findings suggest that minimal doses of focused attention meditation can produce transient changes in large-scale brain networks, but their implications for aggressive behavior remain uncertain.

Inside the mindful moment: The effects of brief mindfulness practice on large-scale network organization and intimate partner aggression.

Cognitive, affective & behavioral neuroscience December 1, 2023 Hadley Rahrig, Liangsuo Ma, Kirk Warren Brown et al.

A brief mindfulness induction—a single session of focused attention meditation—altered large-scale brain networks in intimate partner dyads. In 100 participants (50 couples), mindfulness instruction reduced coherence within the Default Mode Network and increased connectivity in the Frontoparietal Control and Salience Networks, while decoupling visual and attention-linked networks. However, these neural changes did not translate into reduced intimate partner aggression, and aggression was unrelated to any network measures. The results suggest that minimal doses of mindfulness can produce transient brain network changes, but their behavioral implications for aggression remain unclear.