Link between brain chemical, cognitive decline in schizophrenia demonstrated

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1. Link Between Genetic Defect And Brain Changes In Schizophrenia Demonstrated
   Researchers have found that the 22q11 gene deletion -- a mutation that confers the highest known genetic risk for schizophrenia -- is associated with changes in the development of the brain that ultimately affect how its circuit elements are assembled.
2. Learning keeps brain healthy: Mental activity could stave off age-related cognitive and memory decline
   Neurobiologists are providing the first visual evidence that learning promotes brain health -- and, therefore, that mental stimulation could limit the debilitating effects of aging on memory and the mind.
3. Cold sore virus may contribute to cognitive and brain abnormalities in schizophrenia
   Exposure to the common virus that causes cold sores may be partially responsible for shrinking regions of the brain and the loss of concentration skills, memory, coordinated movement and dexterity widely seen in patients with schizophrenia, according to research led by Johns Hopkins scientists.
4. Brain training reverses age-related cognitive decline
   Specialized brain training targeted at the regions of a rat's brain that process sound reversed many aspects of normal, age-related cognitive decline and improved the health of the brain cells, according to a new study.
5. Brain exercises may slow cognitive decline initially, but speed up dementia later
   New research shows that mentally stimulating activities such as crossword puzzles, reading and listening to the radio may, at first, slow the decline of thinking skills but speed up dementia later in old age.