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BackgroundAccording to a growing body of literature, people are quite inaccurate in recalling past affective experiences. Nevertheless, the mechanism underlying this recall bias (i.e., the tendency to overestimate and/or underestimate positive or negative past emotional experiences) remains unclear, and its association with mental health has not been studied yet.MethodsWe adopted a smartphone-based Ecological Momentary Assessment to monitor daily affect (n = 92) and investigate the association between affect recall bias, mental health and resilience.ResultsWhile the tendency to overestimate negative affective experiences was observed in participants reporting mild depressive symptoms, positive affect (PA) overestimation as compared to PA underestimation was associated with better mental health (i.e. higher psychological well-being and lower depressive and anxiety symptoms) through the enhancement of resilience. Furthermore, positively biased participants (i.e. PA over estimators) benefited from greater well-being, even when compared to accurate individuals.ConclusionsWhile people appear to use retrospective PA overestimation as a strategy to enhance well-being and resilience, they are not likely to underestimate past negative experiences to feel better. Accordingly, owning an optimistic vision of the past may represent an adaptive “distortion” of reality that fosters people’s mental health. The clinical implications of cultivating PA and learning strategies to regulate both negative and positive emotions are discussed.

The goal of this study was to provide reliable quantitative analyses of psycho-physiological measures during acute mental stress. Acute, time-limited stressors are used extensively as experimental stimuli in psychophysiological research. In particular, the Stroop Color Word Task and the Arithmetical Task have been widely used in several settings as effective mental stressors. We collected psychophysiological data on blood volume pulse, thoracic respiration, and skin conductance from 60 participants at rest and during stressful situations. Subsequently, we used statistical univariate tests and multivariate computational approaches to conduct comprehensive studies on the discriminative properties of each condition in relation to psychophysiological correlates. The results showed evidence of a greater discrimination capability of the Arithmetical Task compared to the Stroop test. The best predictors were the short time Heart Rate Variability (HRV) indices, in particular, the Respiratory Sinus Arrhythmia index, which in turn could be predicted by other HRV and respiratory indices in a hierarchical, multi-level regression analysis. Thus, computational psychometrics analyses proved to be an effective tool for studying such complex variables. They could represent the first step in developing complex platforms for the automatic detection of mental stress, which could improve the treatment.

A growing body of research has investigated the regulation of negative emotions in ecological settings, but little is known about the mechanisms underlying positive emotion regulation in everyday life. Although some evidence suggests that adopting positive strategies is beneficial for emotional well-being, the literature is inconsistent about the effects of positive emotions on subsequent regulatory processes. In the present study, we adopted a two-week ecological momentary assessment to explore the association between positive emotions and positive emotion regulation in daily life. According to our results, the less individuals felt positive emotions at one point, the more they tended to enhance their use of positive strategies from this time to the next, which in turn resulted in subsequent higher levels of positive emotions. This prototype of positive regulation can be seen as a highly adaptive mechanism that makes it possible to compensate for a lack of positive emotions by enhancing the deployment of positive strategies. The theoretical and clinical implications of these findings are discussed.

Objectives When facing daily negative events, people implement different strategies to regulate ongoing emotions. While the literature suggests that the emotional correlates of an event (i.e., valence and arousal) are linked to the characteristics of its memory, the role of acceptance as an emotion regulation strategy (i.e., an open attitude towards one’s emotional experiences, thoughts, and/or bodily sensations without attempts to control, avoid, or alter them) in mnemonic processes is still largely unknown. The aim of this study was to ecologically explore the effect of using acceptance to deal with a daily unpleasant episode on its subsequent memory Method We used an ecological assessment embeded in correlational study design, asking participants ( n  = 73) to report an unpleasant episode using their smartphone as soon as possible after its occurrence and rate the momentary use of acceptance. To investigate memory phenomenology, two surprise recall tasks were performed 1 week and 1 month after, respectively. Results Acceptance significantly moderated the relationship between an event’s emotional intensity and its memory. Specifically, individuals with low levels of acceptance tended to recall more details of highly emotional events. Conversely, people adopting high rates of acceptance retrieved less details as the emotional intensity of the event increased. Conclusions We suggest that acceptance may facilitate disengagement from unpleasant life experiences by reducing their recall, thereby constituting an adaptive emotion regulation strategy in activating circumstances. Preregistration This study was not preregistered.

Ecological momentary assessment (EMA) and ecological momentary intervention (EMI) are alternative approaches to retrospective self-reports and face-to-face treatments, and they make it possible to repeatedly assess patients in naturalistic settings and extend psychological support into real life. The increase in smartphone applications and the availability of low-cost wearable biosensors have further improved the potential of EMA and EMI, which, however, have not yet been applied in clinical practice. Here, we conducted a systematic review, using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, to explore the state of the art of technology-based EMA and EMI for major depressive disorder (MDD). A total of 33 articles were included (EMA = 26; EMI = 7). First, we provide a detailed analysis of the included studies from technical (sampling methods, duration, prompts), clinical (fields of application, adherence rates, dropouts, intervention effectiveness), and technological (adopted devices) perspectives. Then, we identify the advantages of using information and communications technologies (ICTs) to extend the potential of these approaches to the understanding, assessment, and intervention in depression. Furthermore, we point out the relevant issues that still need to be addressed within this field, and we discuss how EMA and EMI could benefit from the use of sensors and biosensors, along with recent advances in machine learning for affective modelling.

A growing body of evidence pointed out that a decline in effectively using spatial reference frames for categorizing information occurs both in normal and pathological aging. Moreover, it is also known that executive deficits primarily characterize the cognitive profile of older individuals. Acknowledging this literature, the current study was aimed to specifically disentangle the contribution of the cognitive abilities related to the use of spatial reference frames to executive functioning in both healthy and pathological aging. 48 healthy elderly individuals and 52 elderly suffering from probable Alzheimer’s Disease (AD) took part in the study. We exploited the potentiality of Virtual Reality to specifically measure the abilities in retrieving and syncing between different spatial reference frames, and then we administrated different neuropsychological tests for evaluating executive functions. Our results indicated that allocentric functions contributed significantly to the planning abilities, while syncing abilities influenced the attentional ones. The findings were discussed in terms of previous literature exploring relationships between cognitive deficits in the first phase of AD.

When facing a negative event, people implement different strategies to regulate ongoing emotions. Although the previous literature has suggested that the emotional intensity of a negative episode is associated with the characteristics of the subsequent autobiographical memory, it is still unknown whether emotion regulation (ER) moderates this relationship. In the present study, we provided undergraduate students with a smartphone-based diary to report a negative episode immediately after its occurrence and rate the momentary use of two ER strategies: cognitive reappraisal and rumination. To explore autobiographical memory, two “surprise” recall tasks were performed one week and one month after the event. According to the results, cognitive reappraisal was linked with better memory performances, and a tendency to retrospectively underestimate the negativity of highly intense events was observed only in participants adopting high rates of this strategy. Conversely, intense rumination was found to be associated with less detailed memories of emotionally intense events, as well as with higher emotional involvement with negative episodes over time, regardless of their intensity. Together, our results support the maladaptive role of rumination and the adaptive influence of cognitive reappraisal on autobiographical memory.

Recently, there has been growing scientific interest in studying states of selflessness, where there is no sense of self as the immediate subject of experience. Preliminary findings suggest that this state is associated with increased positive emotions and a sense of connection with the world and all living beings. Given its potential benefits, various practices have been developed to induce or cultivate selflessness, including meditation and psychedelic drugs. However, there is a pressing need to explore alternative cost-effective and non-pharmacological approaches to overcome the limitations of these methods. In this regard, Virtual Reality (VR) presents a promising method capable of creating experiences that may be risky, costly, or otherwise unfeasible in the real world. The present study aims to examine whether a multi-person numadelic VR experience could induce a state of selflessness and to investigate its impact on affect, mystical experiences, and peak experiences. A total of 56 volunteers participated in a VR session and completed several self-report questionnaires before, immediately after, and one week following the experience. Preliminary findings suggest that a single multi-person VR experience can engender selflessness and enhance interpersonal connectedness. Additionally, it increases low-arousal positive affect and warmth, and generates mystical and peak experiences in a notable subset of participants. The experience is also widely accepted, with participants reporting few adverse effects. By providing a new research method for accessing selflessness, this study paves the way for further exploration in this field and contributes to a deeper understanding of this complex psychological experience.

So far, there is evidence showing that the use of specific emotion regulation strategies in response to negatively-valenced stimuli shapes the way people subsequently remember them. However, still little is known about the potential effects of savouring positive events on the associated memories. The aim of the current study was to test whether upregulating positive emotions in response to daily positive events could make participants’ memories more salient and positively-valenced over time. To do so, we conducted an ecological momentary assessment study in order to identify the occurrence of positive events and provide participants with different emotion regulation strategies in real-time. To explore memory phenomenology, a surprise recall task for each event was performed one week after. Compared to the control condition, the manipulation of savouring led to recall the events with greater salience (i.e., more vivid, coherent, accessible, full of sensory details, first-person recalled memories) which, in turn, led to retrieve the memory more positively. Furthermore, the findings indicated that each strategy uniquely affected different phenomenological dimensions of memory. Together, we suggest that differences in the use of savouring strategies might impact memory, leading to the recall of events with higher salience and to the maintenance of their positivity over time.

Spatial cognition is an umbrella term used to refer to the complex set of abilities necessary to encode, categorize, and use spatial information from the surrounding environment to move effectively and orient within it. Experimental studies indicate that the cerebellum belongs to the neural network involved in spatial cognition, although its exact role in this function remains unclear. Our aim was to investigate in a pilot study using a virtual reality navigation task in healthy subjects whether cerebellar transcranial direct current stimulation (tDCS), a non-invasive technique, influences spatial navigation. Forty healthy volunteers (24 women; age range = 20-42 years; years of education range 13-18) were recruited. The virtual reality spatial navigation task comprised two phases: encoding, in which participants actively navigated the environment and learned the spatial locations for one object, and retrieval, in which they retrieved the position of the object they had discovered and memorized in the previous encoding phase, starting from another starting point. Participants received tDCS stimulation (anodal or sham according to the experimental condition they were assigned to) for 20 min before beginning the retrieval phase. Our results showed that cerebellar tDCS left the accuracy of the three indexes used to measure effective navigational abilities unchanged. Hence, cerebellar tDCS had no influence on the retrieval phase for the spatial maps stored. Further studies, enrolling a larger sample and testing a different stimulation protocol, may give a greater insight into the role of the cerebellum in spatial navigation.