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Measures of motor segmentation from rapid isometric force pulses are reliable and differentiate Parkinson's disease from age-related slowing

Author(s): Howard SL; Grenet D; Bellumori M; Knight CA;

Some people with Parkinson's disease (PD) have disruptions in motor output during rapid isometric muscle contractions. Measures of such disruptions (motor segmentation) may help clarify disease subtype, progression, or effects of therapeutic interventions. We investigated the potential utility of segmentation measures by testing two hypotheses that ar ...

Article GUID: 35768733


The Body and Appearance Self-Conscious Emotions Scale (BASES): A comprehensive examination of its factorial validity, with recommendations for researchers

Author(s): Swami V; Maïano C; Morin AJS;

The 16-item Body and Appearance Self-Conscious Emotions Scale (BASES) is widely used to assess the discrete emotions of guilt, shame, authentic pride, and hubristic pride. However, recent work has questioned the factorial validity of the BASES (i.e., the extent to which it truly assesses a discrete set of self-conscious emotions). In the present study, we ...

Article GUID: 35750012


Social cognition and depression in adolescent girls

Author(s): Porter-Vignola E; Booij L; Dansereau-Laberge ÈM; Garel P; Bossé Chartier G; Seni AG; Beauchamp MH; Herba CM;

Background and objectives: Depression has been associated with alterations in social functioning. Decoding and understanding others' mental states and adaptive reasoning are important for social functioning. This study examined theory of mind (ToM) and socio-moral reasoning (SMR) in adolescen ...

Article GUID: 35738696


Viral Anxiety Mediates the Influence of Intolerance of Uncertainty on Adherence to Physical Distancing Among Healthcare Workers in COVID-19 Pandemic

Author(s): Chung S; Lee T; Hong Y; Ahmed O; Silva WAD; Gouin JP;

Introduction: The aims of this study were to examine the mediation effect of viral anxiety of healthcare workers on the influence of their intolerance of uncertainty on the adherence to physical distancing during the COVID-19 pandemic. Methods: An online survey was conducted among 329 healthcare workers (female: 81.4%, nursing professionals: 59.0%, and s ...

Article GUID: 35733798


Sleep affects higher-level categorization of speech sounds, but not frequency encoding

Author(s): Chapelle A; Savard MA; Restani R; Ghaemmaghami P; Thillou N; Zardoui K; Chandrasekaran B; Coffey EBJ;

Sleep can increase consolidation of new knowledge and skills. It is less clear whether sleep plays a role in other aspects of experience-dependent neuroplasticity, which underlie important human capabilities such as spoken language processing. Theories of sensory learning differ in their predicti ...

Article GUID: 35732089


Social support and C-reactive protein in a Québec population cohort of children and adolescents

Author(s): Fairbank EJ; McGrath JJ; Henderson M; O' Loughlin J; Paradis G;

Objective: Robust evidence exists for the health-enhancing benefits of social support in adults. Inflammatory processes are thought to be an important mechanism linking social support and health risk. Less is known about the relation between social support and chronic inflammation during childhood and adolescence, or when the association emerges during th ...

Article GUID: 35731783


Sigma oscillations protect or reinstate motor memory depending on their temporal coordination with slow waves

Author(s): Nicolas J; King BR; Levesque D; Lazzouni L; Coffey EBJ; Swinnen S; Doyon J; Carrier J; Albouy G;

Targeted memory reactivation (TMR) during post-learning sleep is known to enhance motor memory consolidation but the underlying neurophysiological processes remain unclear. Here, we confirm the beneficial effect of auditory TMR on motor performance. At the neural level, TMR enhanced slow wave (SW ...

Article GUID: 35726850


Developmental trajectories of eating disorder symptoms: A longitudinal study from early adolescence to young adulthood

Author(s): Breton É; Dufour R; Côté SM; Dubois L; Vitaro F; Boivin M; Tremblay RE; Booij L;

Background: Adolescence is a critical period for the development of eating disorders, but data is lacking on the heterogeneity of their evolution during that time-period. Group-based trajectories can be used to understand how eating disorders emerge and evolve over time. The aim of this study was to identify groups of individuals with distinct levels of e ...

Article GUID: 35725645


DNA methylation in people with Anorexia Nervosa: Epigenome-wide patterns in actively ill, long-term remitted, and healthy-eater women

Author(s): Steiger H; Booij L; Thaler L; St-Hilaire A; Israël M; Casey KF; Oliverio S; Crescenzi O; Lee V; Turecki G; Joober R; Szyf M; Breton É;

bjectives: Recent studies have reported altered methylation levels at disorder-relevant DNA sites in people who are ill with Anorexia Nervosa (AN) compared to findings in people with no eating disorder (ED) or in whom AN has remitted. The preceding implies state-related influences upon gene expre ...

Article GUID: 35703085


Specificity of Affective Responses in Misophonia Depends on Trigger Identification

Author(s): Savard MA; Sares AG; Coffey EBJ; Deroche MLD;

Individuals with misophonia, a disorder involving extreme sound sensitivity, report significant anger, disgust, and anxiety in response to select but usually common sounds. While estimates of prevalence within certain populations such as college students have approached 20%, it is currently unknown what percentage of people experience misophonic responses ...

Article GUID: 35692416


Fixed Intelligence Mindset, Self-Esteem, and Failure-Related Negative Emotions: A Cross-Cultural Mediation Model

Author(s): Gál É; Tóth-Király I; Orosz G;

A growing body of literature supports that fixed intelligence mindset promotes the emergence of maladaptive emotional reactions, especially when self-threat is imminent. Previous studies have confirmed that in adverse academic situations, students endorsing fixed intelligence mindset experience higher levels of negative emotions, although little is known ...

Article GUID: 35668992


Empathy, Defending, and Functional Connectivity While Witnessing Social Exclusion

Author(s): McIver TA; Craig W; Bosma RL; Chiarella J; Klassen J; Sandra A; Goegan S; Booij L;

Peers are present for most bullying episodes. Peers who witness bullying can play an important role in either stopping or perpetuating the behaviour. Defending can greatly benefit victimized peers. Empathy is strongly associated with defending. Yet, less is known about defenders' neural response to witnessing social distress, and how this response may ...

Article GUID: 35659207


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