A study that used postmortem brain tissue samples from Alzheimer's patients and mouse models found the hunger hormone ghrelin is linked to cognitive impairments and memory loss associated with the disease.
Mutations to the EGR1 gene disrupt social behaviors in zebrafish models of ASD. Additionally, the mutation disrupts dopamine signaling from specific neurons, contributing to mood and social behavior disorders.
Study reveals how methylphenidate interacts with cognitive control networks and attention behaviors. Methylphenidate changes spontaneous neural activity in reward and cognitive control systems in children with ADHD. The changes result in more stable sustained attention.
Levodopa, a drug commonly prescribed for the treatment of Parkinson's disease that increases dopamine in the brain was found to reverse the effects of neuroinflammation on the reward system and improve symptoms associated with depression.