Psychology & Psychiatry

Highly specific synaptic plasticity in addiction

Addiction, or substance use disorder (SUD), is a complex neurological condition that includes drug-seeking behavior among other cognitive, emotional and behavioral features. Synaptic plasticity, or changes in the way neurons ...

Psychology & Psychiatry

Nucleus accumbens recruited by cocaine, sugar are different

Nucleus accumbens in the brain play a central role in the risk-reward circuit. Their operation is based chiefly on three essential neurotransmitters: dopamine, which promotes desire; serotonin, whose effects include satiety ...

Psychology & Psychiatry

Here's why we crave food even when we're not hungry

Food cravings are very familiar to most people. We may see or smell food and want to eat, or sometimes we suddenly feel like eating something delicious. These intense desires occur even when we're not hungry and can be very ...

Psychology & Psychiatry

Arguments between couples: Our neurons like mediation

When couples argue, mediation by a third party improves the outcome of the confrontation. But that's not all: mediation is also linked to heightened activity in key regions of the brain belonging to the reward circuit—this ...

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