[HTML][HTML] Dopamine circuit mechanisms of addiction-like behaviors

CL Poisson, L Engel, BT Saunders - Frontiers in Neural Circuits, 2021 - frontiersin.org
Addiction is a complex disease that impacts millions of people around the world. Clinically,
addiction is formalized as substance use disorder (SUD), with three primary symptom …

Neural mechanisms mediating sex differences in motivation for reward: cognitive bias, food, gambling, and drugs of abuse

CA Orsini, TE Brown, TE Hodges… - Journal of …, 2022 - Soc Neuroscience
Sex differences in motivation for food rewards, gambling, and drugs of abuse are modulated
by multiple factors, including sensory stimuli, gonadal hormones, and cognitive bias. Cues …

Clueless about cues: The impact of reward-paired cues on decision making under uncertainty

CA Winstanley, TJ Hynes - Current Opinion in Behavioral Sciences, 2021 - Elsevier
Signalling reward delivery with sounds and lights is common practice in electronic games,
and may seem like a superficially harmless feature of game design. Such audiovisual cues …

[HTML][HTML] Motor impulsivity but not risk-related impulsive choice is associated to drug intake and drug-primed relapse

C Arrondeau, G Urueña-Méndez, L Bellés… - Frontiers in behavioral …, 2023 - frontiersin.org
Motor impulsivity and risk-related decision-making have been proposed as vulnerability
factors for drug abuse, due to their high prevalence in drug abusers. However, how these …

Chronic cocaine causes age-dependent increases in risky choice in both males and females.

SL Blaes, KG Shimp, SM Betzhold, B Setlow… - Behavioral …, 2022 - psycnet.apa.org
Individuals who use cocaine exhibit maladaptive decision-making, overweighting rewards,
and underweighting potential risks. We previously showed that chronic cocaine self …

[HTML][HTML] Noradrenergic regulation of cue-guided decision making and impulsivity is doubly dissociable across frontal brain regions

CS Chernoff, TJ Hynes, JD Schumacher… - …, 2024 - Springer
Rationale Win-paired stimuli can promote risk taking in experimental gambling paradigms in
both rats and humans. We previously demonstrated that atomoxetine, a noradrenaline …

Expression pattern of nicotinic acetylcholine receptor subunit transcripts in neurons and astrocytes in the ventral tegmental area and locus coeruleus

R Gao, AM Schneider, SM Mulloy… - European Journal of …, 2023 - Wiley Online Library
Acetylcholine is the endogenous agonist for the neuronal nicotinic acetylcholine receptor
(nAChR) system, which is involved in attention, memory, affective behaviours and substance …

Sex chromosome complement and estradiol modify cocaine self-administration behaviors in male mice

AL Le, WJ Lynch, EF Rissman - Neuroendocrinology, 2023 - karger.com
Introduction: Women are more vulnerable to cocaine's reinforcing effects and have a more
rapid course to addiction after initial cocaine use as compared to men. Studies in rodents …

Win-paired cues modulate the effect of dopamine neuron sensitization on decision making and cocaine self-administration: divergent effects across sex

TJ Hynes, CS Chernoff, KM Hrelja, TL Maric… - Biological …, 2024 - Elsevier
Background Both psychostimulant use and engagement with probabilistic schedules of
reward sensitize the mesocorticolimbic dopamine (DA) system. Such behaviors may act …

[HTML][HTML] The role of the GABAergic cells of the median raphe region in reinforcement-based learning

T Chaves, B Török, C Fazekas, P Correia… - Scientific Reports, 2024 - nature.com
Learning and memory are important in everyday life as well as in pathological conditions.
The median raphe region (MRR) contributes to memory formation; however, its precise role …