Neuroscience

Study finds chronic alcohol use shifts brain's control of behavior

(Medical Xpress)—Chronic alcohol exposure leads to brain adaptations that shift behavior control away from an area of the brain involved in complex decision-making and toward a region associated with habit formation, according ...

Neuroscience

Ultrasensitive calcium sensors shine new light on neuron activity

Every time you say a word, take a step, or read a sentence, a collection of neurons sends a speedy relay of messages throughout your brain to process the information. Now, researchers have a new way of watching those messages ...

Neuroscience

The secret lives, and deaths, of neurons

As the human body fine-tunes its neurological wiring, nerve cells often must fix a faulty connection by amputating an axon—the "business end" of the neuron that sends electrical impulses to tissues or other neurons. It ...

Neuroscience

Researchers identify how cells control calcium influx

(Medical Xpress)—When brain cells are overwhelmed by an influx of too many calcium molecules, they shut down the channels through which these molecules enter the cells. Until now, the "stop" signal mechanism that cells ...

Other

App lets amputees program their own bionic hands

Double-amputee Jason Koger used to fly to visit a clinician when he wanted to adjust the grips on his bionic hands. Now, he's got an app instead. Koger this week demonstrated the i-limb ultra revolution, a prosthetic developed ...

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