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reward system

·January 22, 2025·7 min read

Targeting Reward Pathways to Treat Depression

New research highlights how the brain's reward-learning system can guide personalized treatments for depression. By studying two brain signals, expected value and prediction error, researchers identified markers that predict recovery potential and tailored responses to rewards and setbacks.

Featured Neuroscience Psychology

·December 17, 2024·5 min read

Teen Brain’s Blunted Reward Response Predicts Depression Onset

A new study reveals that a reduced neural response to rewards in teens predicts the first onset of depression, but not anxiety or suicidality. Researchers used EEG scans to measure "reward positivity" in at-risk adolescents and found that those with blunted responses were more likely to develop depression.

Featured Neuroscience Psychology

·October 25, 2024·4 min read

Individual Reward-Seeking Predicts Nicotine Response

A new study finds that individualistic reward-seeking behaviors in mice can predict their responses to nicotine. Conducted in a semi-natural environment called Souris-City, the research observed how male mice developed distinct reward-seeking strategies when isolated from peers.

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Featured Neuroscience Psychology

·July 15, 2024·7 min read

Beta Brain Waves: A Novel Brain Signature for Depression

A new study identifies beta frequency neural activity in the anterior cingulate cortex (ACC) as crucial for recognizing rewards and shaping behavior. This neural signature is altered in patients with depression, suggesting it could serve as a biomarker and potential treatment target for anhedonia.

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Featured Neuroscience

·July 1, 2024·6 min read

Sex Differences Found in Brain’s Reward Pathways

A new study reveals sex differences in how the brain's reward pathways function, specifically in the hippocampus and nucleus accumbens. Males and females use different molecular mechanisms to strengthen these connections, influencing responses to treatments for disorders like depression and substance abuse. The findings highlight the need for more gender-specific research to develop effective therapies. Researchers hope this will lead to improved patient outcomes.

Featured Genetics Neuroscience Psychology

·April 18, 2024·8 min read

How Drugs Hijack the Brain’s Reward System

Researchers made significant advances in understanding how drugs like cocaine and morphine disrupt the brain's natural reward mechanisms. Their study reveals that these drugs manipulate the same brain cells responsible for processing natural rewards, leading to compulsive drug-seeking behaviors.

Featured Neuroscience

·January 26, 2024·4 min read

Brain Pathway Linking Movement, Addiction, and Rewards Discovered

Researchers have uncovered a previously unknown connection between the brain's basal ganglia and cerebellum, altering our understanding of motor learning and habit formation. This discovery suggests that the cerebellum plays a role in modulating dopamine levels in the basal ganglia, affecting both movement and reward processing.

Featured Neuroscience

·January 22, 2024·9 min read

Wealth Shapes Brain’s Reward Response

Researchers discovered that a child's socioeconomic status (SES) influences their brain's sensitivity to rewards. In their study, children from lower SES backgrounds exhibited less activation in the reward-linked striatum during a money-earning game, compared to those from higher SES backgrounds.

Featured Neuroscience Psychology

·October 25, 2023·5 min read

How Cocaine Rewires Brain’s Reward System

Researchers revealed, through neuroimaging, how cocaine addiction modifies the brain's reward evaluation system, impacting adaptive behavior. This modification explains the perplexing addictive behavior seen in users—persisting in harmful activities that often don't offer immediate benefits.