Neuroscience

New images capture unseen details of the synapse

Scientists have created one of the most detailed 3D images of the synapse, the important juncture where neurons communicate with each other through an exchange of chemical signals. These nanometer-scale models will help scientists ...

Medical research

Understanding the role of octopamine in neurodegeneration

Northwestern Medicine scientists have discovered how octopamine, the major "fight-or-flight" neurotransmitter in invertebrates, communicates with other cells in mammalian brains to prevent cell death, according to a study ...

Neuroscience

Astrocyte dysfunction found to cause cognitive decline

People with dementia have protein build-up in astrocytes that may trigger abnormal antiviral activity and memory loss, according to a preclinical study by a team of Weill Cornell Medicine investigators.

Health

Exercise boosts brain health with chemical signals, study shows

Physical activity is frequently cited as a means of improving physical and mental health. Researchers at the Beckman Institute for Advanced Science and Technology have shown that it may also improve brain health more directly. ...

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