Researchers have gained new understanding of how the brain controls movement using both overt motor control and brain-machine interface (BMI) control. Their findings provide insight into the distinct neural processes involved in BMI control compared to natural movement. Key Facts: Rhesus monkeys were trained to control a cursor using either overt arm movements or a …
Researchers have found that repeated low doses of amphetamine can alter reward and motivation circuits in the human brain. The changes mirror what is seen in addiction and schizophrenia. Key Facts: Healthy volunteers received 4 doses of a low 20mg dose of amphetamine or placebo, spaced 2 days apart. Those getting amphetamine showed enhanced subjective …
A new brain imaging study reveals deficits in key networks involved in social functioning among individuals with schizophrenia. The findings shed light on the underlying neural mechanisms that may contribute to impaired social skills in this psychiatric disorder. Key Takeaways: Compared to healthy controls, schizophrenia patients showed altered activity in brain regions involved in processing …
Experiencing chronic stress or taking addictive drugs like cocaine can change your brain and behavior in similar ways, making you prone to anxiety or addiction. Key Facts: Chronic stress and chronic drug abuse both impair the striatum, which can make people become rigid in their thinking and unable to update information. This can promote anxiety, …
