Motivation states for physical activity and sedentary behavior: desire, urge, wanting, and craving

MA Stults-Kolehmainen, M Blacutt… - Frontiers in …, 2020 - frontiersin.org
To better explain daily fluctuations in physical activity and sedentary behavior, investigations
of motivation are turning from social cognitive frameworks to those centered on affect …

Dopaminergic signaling of uncertainty and the aetiology of gambling addiction

M Zack, RS George, L Clark - Progress in Neuro-Psychopharmacology and …, 2020 - Elsevier
Although there is increasing clinical recognition of behavioral addictions, of which gambling
disorder is the prototype example, there is a limited understanding of the psychological …

Imprecise action selection in substance use disorder: Evidence for active learning impairments when solving the explore-exploit dilemma

R Smith, P Schwartenbeck, JL Stewart… - Drug and alcohol …, 2020 - Elsevier
Abstract Background Substance use disorders (SUDs) are a major public health risk.
However, mechanisms accounting for continued patterns of poor choices in the face of …

Interplay between midbrain and dorsal anterior cingulate regions arbitrates lingering reward effects on memory encoding

KC Aberg, EE Kramer, S Schwartz - Nature communications, 2020 - nature.com
Rewarding events enhance memory encoding via dopaminergic influences on hippocampal
plasticity. Phasic dopamine release depends on immediate reward magnitude, but …

What is bipolar disorder? A disease model of dysregulated energy expenditure

RB Mansur, Y Lee, RS McIntyre, E Brietzke - … & Biobehavioral Reviews, 2020 - Elsevier
Advances in the understanding and management of bipolar disorder (BD) have been slow to
emerge. Despite notable recent developments in neurosciences, our conceptualization of …

Stimulation of the vagus nerve reduces learning in a go/no-go reinforcement learning task

A Kühnel, V Teckentrup, MP Neuser, QJM Huys… - European …, 2020 - Elsevier
When facing decisions to approach rewards or to avoid punishments, we often figuratively
go with our gut, and the impact of metabolic states such as hunger on motivation are well …

Striatal dopamine D2 receptors regulate cost sensitivity and behavioral thrift

D Mourra, F Gnazzo, S Cobos, JA Beeler - Neuroscience, 2020 - Elsevier
The role of the dopamine D2 receptor (D2R) in regulating appetitive behavior continues to
be controversial. Earlier literature suggests that reduced D2R signaling diminishes …

Exome Sequencing Identifies A Nonsense Variant in DAO Associated With Reduced Energy Expenditure in American Indians

P Piaggi, Ç Köroğlu, AK Nair… - The Journal of …, 2020 - academic.oup.com
Background Obesity and energy expenditure (EE) are heritable and genetic variants
influencing EE may contribute to the development of obesity. We sought to identify genetic …

Effort-based decision making varies by smoking status

MA Addicott, MC Wardle, JP Selig - Psychopharmacology, 2020 - Springer
Rationale A reduced willingness to perform effort based on the magnitude and probability of
potential rewards has been associated with diminished dopamine function and may be …

I want to move my body–right now! The CRAVE Scale to measure state motivation for physical activity and sedentary behavior

MA Stults-Kolehmainen, M Blacutt, TA Gilson… - MedrXiv, 2020 - medrxiv.org
Energy expenditure undulates throughout the day and likely motivation for it. The aim of this
investigation was to create a short assessment (CRAVE) to measure transient wants or …