Intelligence - nature or
nurture? Researchers find a gene for intelligence and also that a
bigger brain matters, yet other recent articles show how
motivation affects learning.
Schizophrenia: Impaired activity of the selective dopamine neurons
Schizophrenia is not only associated with positive symptoms such as hallucinations and delusions, but also with negative symptoms e.g. cognitive deficits and impairments of the emotional drive. Until now, the underlying mechanisms for these negative symptoms have not been well characterized. Now a team of researchers reports that a selective dopamine midbrain population that is crucial for emotional and cognitive processing shows reduced electrical in vivo activity in a disease mouse model.
View full story