Extrasynaptic levels of dopamine in mouse cortex exhibit spontaneous impulses•Impulses are broadly distributed in amplitude and time, with a rate of about 0.01/s•Feedback was used to train mice to volitionally control their spontaneous impulses•Mice learned to reliably modulate dopamine impulses in order to receive a reward SummaryIn their pioneering study on dopamine release, Romo and … Continue reading Reinforcement learning links spontaneous cortical #dopamine impulses to reward
Category: Psychiatry
Psilocybin ameliorates stress-related behavioral deficit in mice•Psilocybin increases spine density and spine size in frontal cortical pyramidal cells•Psilocybin-evoked structural remodeling is persistent for at least 1 month•The dendritic rewiring is accompanied by elevated excitatory neurotransmission SummaryPsilocybin is a serotonergic psychedelic with untapped therapeutic potential. There are hints that the use of psychedelics can produce neural … Continue reading #Psilocybin induces rapid and persistent growth of dendritic spines in frontal cortex in vivo
In the past decade, the Korean smoking rate has only decreased by 3%, despite several smoking control policies. There is a need for such policies to take smokers’ psychological characteristics into account. Depression is a well-known contributor to failed smoking cessation. This study aimed to examine the effect of smokers’ depression status changes on their … Continue reading The effect of #depression status change on daily #cigarette smoking amount according to sex: an eleven-year follow up study of the Korea Welfare Panel Study
Poor social health is a risk factor for cardiovascular disease (CVD), however an in-depth exploration of the link through CVD risk factors is lacking. AimTo examine the relationship between social health (social isolation, social support, loneliness) and CVD risk factors among healthy older women and men. MethodsData were from 11,498 healthy community-dwelling Australians aged ≥70 … Continue reading #Social Health and #Cardiovascular Disease Risk Factors: A cross-sectional study in a healthy older adult population
