MentalHealthDaily

Teen Anxiety and Anhedonia Split Reward-Uncertainty fMRI

by GLOOM

Photoreal illustration of adolescent brain regions with overlapping reward and default-mode network glow, conveying uncertainty processing.

A 2026 fMRI study of 84 medication-free adolescents found that reward uncertainty had its own phase-specific brain pattern: anxiety, depression, and anhedonia separated across different task phases and brain systems.1 The clearest clinical split was narrow but useful: anxiety tracked blunted striatum/thalamus activation during uncertain non-reward expectancy, while depression and anhedonia tracked higher visual/default-network activation …

5-Week Mindfulness Training Effects on Brain Structure & Behavior: Caudate Volume Reduction & Less Impulsivity (2024 Study)

by GLOOM

Mindfulness training is more than a meditative practice; it’s a transformative journey that reshapes our brain, improves our mental faculties, and alters how we respond to emotions and impulses. Recent research has shed light on how this ancient practice can lead to significant changes in the brain’s structure, particularly in the caudate nucleus, and influence …