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Introduction: Empathizing with others' pain appears to recruit the whole pain matrix, including a collection of frontal regions involved in the affective, motivational, cognitive, and attentional dimension of pain. Objectives: This research explored how the modulation of interoceptive attentiveness (IA) can influence the frontal (dorsolateral prefrontal cortex -DLPFC- and somatosensory cortices) activity related to the emotional regulation and sensory response of observing pain in others. Methods: 22 healthy participants were required to observe face versus hand, painful/non-painful stimuli in an individual versus social condition while brain hemodynamic response (oxygenated [O2Hb] and deoxygenated hemoglobin [HHb] components) was measured by functional Near-Infrared Spectroscopy (fNIRS). The sample was divided into experimental (EXP) and control (CNT) groups and the EXP group was explicitly required to focus on its interoceptive correlates while observing the stimuli. Results: In the individual condition, higher brain responsiveness was detected for painful confronted to non-painful stimuli, and a left/right hemispheric lateralization was found for the individual and social condition, respectively. Besides, both groups showed higher DLPFC activation for face stimuli displayed in the individual condition compared to hand stimuli in the social condition. However, face stimuli activation prevailed for the EXP group, suggesting the direct interoceptive phenomenon has certain features, namely it manifests itself in the individual condition and for pain stimuli. Conclusions: We can conclude that IA modulation promoted the recruitment of internal adaptive regulatory strategies engaging both DLPFC and somatosensory regions towards emotionally relevant stimuli (painful faces displayed in the individual condition). Therefore IA could be trained for promoting emotion regulation and empathic response. [ABSTRACT FROM AUTHOR]

Introduction: Nowadays new tools suitable for exploring executive functioning (EF) of behavioral addicted individuals are needed. Objectives: This study tests a novel digital assessment battery that can be easily and remotely adopted by neuropsychologists working in the field of addiction. Methods: Twenty-three participants were divided into two groups, balanced for age and education: an experimental (EXP) group of 13 patients with gambling behavior, and a control (CNT) group of 10 healthy subjects. A neuropsychological battery including 5 neuropsychological tests (measuring long- and short-term verbal memory, working memory, cognitive flexibility, verbal and non-verbal fluency, attention), and a behavioral task (modified Go/NoGo task with addiction-related stimuli) was digitally administered. Anxiety, depression, and impulsivity levels were collected before the evaluation. Results: Significantly higher scores were found for repetition errors in the short-term verbal memory test, in the EXP subjects compared to controls. Higher reaction times were found in the Go/No-Go task for the EXP compared to CNT, with significant differences for neutral and addiction-related (cocaine, THC) stimuli. Furthermore, EXP showed higher impulsivity scores. Conclusions: Although the study was only exploratory, the significant results could support the validity of this new digital tool. Besides, we could conclude that memory impairment and attentional bias in inhibitory control tasks could cover a significant role in new and old addiction and that impulsivity could represent a critical factor in explaining the relationship between EF impairment and addiction. Lastly, this study contributes not only to the understanding of EF impairment in addictions but also in the delivery of remote suitable digital neuropsychological testing. [ABSTRACT FROM AUTHOR]