BACKGROUND: No longitudinal study has yet examined the association between substance use and brain volume changes in a population at high risk of schizophrenia. AIMS: To examine the effects of cannabis on longitudinal thalamus and amygdala-hippocampal complex volumes within a population at high risk of schizophrenia. METHOD: Magnetic resonance imaging scans were obtained from individuals at...
Philosophers like Shoemaker and Burge argue that only self-conscious creatures can exercise rational control over their mental lives. In particular they urge that reflective rationality requires possession of the I-concept, the first person concept. These philosophers maintain that rational creatures like ourselves can exercise reflective control over belief as well as action. I agree that we...