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Assessing emotional dynamics in the brain offers insight into the fundamental neural and psychological mechanisms underlying emotion. One such dynamic is emotional inertia-the influence of one's emotional state at one time point on one's emotional state at a subsequent time point. Emotion inertia reflects emotional rigidity and poor emotion regulation as evidenced by its relationship to depression and neuroticism. In this study, we assessed changes in cerebral blood flow (CBF) from before to after an emotional task and used these changes to predict stress, positive and negative emotional inertia in daily life events. Cerebral blood flow changes in the lateral prefrontal cortex (lPFC) predicted decreased non-specific emotional inertia, suggesting that the lPFC may feature a general inhibitory mechanism responsible for limiting the impact that an emotional state from one event has on the emotional state of a subsequent event. CBF changes in the ventromedial prefrontal cortex and lateral occipital cortex were associated with positive emotional inertia and negative/stress inertia, respectively. These data advance the blossoming literature on the temporal dynamics of emotion in the brain and on the use of neural indices to predict mental health-relevant behavior in daily life.
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http://dx.doi.org/10.1093/scan/nsx071 | DOI Listing |
J Psychiatr Res
February 2025
Département de Psychiatrie et Addictologie, AP-HP, Hôpital Bichat - Claude Bernard, F-75018, Paris, France; Centre ChronoS, GHU Paris Nord, DMU Neurosciences, Secteur G22, Hôpital Bichat - Claude Bernard, F-75018, Paris, France; Université Paris Cité, NeuroDiderot, Inserm, FHU I2-D2, F-75019, Paris, France; CNRS UPR 3212, Institut des Neurosciences Cellulaires et Intégratives, F-67000, Strasbourg, France.
Introduction: Increased total sleep duration complaint is frequently associated with psychiatric disorders. The daytime impact of sleep disorders is directly linked to the management of emotions and behaviors. Complaints of increased total sleep duration in major depressive disorder (MDE) could be a factor in the disruption of emotional regulation, which belongs to specific, atypical and often more severe clinical pictures.
View Article and Find Full Text PDFDisaster Med Public Health Prep
February 2025
Department of Food Sciences and Biotechnology, Hiroshima Institute of Technology, Hiroshima City, Japan.
Objective: This study investigated the psychological and physiological effects of using sleeping bag-shaped aluminum sheets during night-time sleep in winter to reduce cold stimulation and improve the sleeping environment in disaster evacuation shelters.
Methods: Sixteen healthy male participants in Hiroshima City underwent 2 experimental conditions in January and December 2023: night-time sleep in winter with and without a sleeping bag-shaped aluminum sheets. Sleep-wake rhythm during night-time sleep (discriminant analysis method), subjective sleep soundness, mood state profile, heart rate, blood pressure, and cardiac autonomic nervous system modulation were measured.
Health Informatics J
February 2025
School of Nursing, Wenzhou Medical University, Wenzhou, China.
Diabetes apps have the potential to improve self-management among people with type 2 diabetes mellitus (T2DM) and thereby prevent complications. However, premature disengagement of diabetes apps hinders this potential. This study aimed to identify facilitators of and barriers to the continued use of apps among T2DM patients and to formulate recommendations to enhance patients' adherence to diabetes apps.
View Article and Find Full Text PDFCan Pharm J (Ott)
January 2025
Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB.
Purpose: As the scope of practice continues to evolve for pharmacists, professional abstinence is being observed by students in workplaces and practicums. Professional abstinence is defined as "consciously choosing not to provide the full scope of patient care activities". Exposure of students to professional abstinence may cause cognitive dissonance, as they are challenged by practices that do not match what they are taught in school.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Agro‑Environmental Sciences, Faculty of Agriculture, Kyushu University, 744 Motooka, Nishi‑ku, Fukuoka, 8190395, Japan.
Studies on the compounds of aromatic oils and their effects on psychophysiological changes in humans are often conducted separately. To obtain better validation, a suitable protocol is needed that can be extrapolated to large-scale olfactory stimulation experiments. Unfortunately, this type of study is still rarely performed.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!