Hippocampal subfield differences in people with and without recreational ketamine use: Insights from multi-modal neuroimaging.
Addiction (Abingdon, England) January 29, 2026 Yi-Hsuan Liu, Chia-Chun Hung, Marc N Potenza et al.
Recreational ketamine use has increased globally and is associated with psychiatric and cognitive concerns. The hippocampus in preclinical models shows damage and working-memory disruption with repeated dosing. However, whether specific hippocampal subregions may differ in people with chronic ketamine use remains unclear. In Taiwan, ketamine is predominantly consumed by smoking ketamine mixed...