Genetics

Handful of genetic changes led to huge changes to human brain

Changes to just three genetic letters among billions led to evolution and development of the mammalian motor sensory network, and laid the groundwork for the defining characteristics of the human brain, Yale University researchers ...

Neuroscience

Cocaine and the teen brain: Study offers insights into addiction

When first exposed to cocaine, the adolescent brain launches a strong defensive reaction designed to minimize the drug's effects, Yale and other scientists have found. Now two new studies by a Yale team identify key genes ...

Alzheimer's disease & dementia

New target for Alzheimer's drugs

(Medical Xpress) -- Biomedical scientists at the University of California, Riverside have identified a new link between a protein called beta-arrestin and short-term memory that could open new doors for the therapeutic treatment ...

Neuroscience

Dodging the cognitive hit of early-life seizures

About half of newborns who have seizures go on to have long-term intellectual and memory deficits and cognitive disorders such as autism, but why this occurs has been unknown. In the December 14 Journal of Neuroscience, researchers ...

Neuroscience

Connecting neurons to fix the brain

Each of the brain's 100 billion neurons forms thousands of connections with other neurons. These connections, known as synapses, allow cells to rapidly share information, coordinate their activities, and achieve learning ...

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