Parkinson's & Movement disorders

Exercise to change the brain

For someone with Parkinson's disease (PD), the simple desire to grasp a glass of water can become an insurmountable task, made impossible by the tremors in their hand or arm. Finding strategies to improve these movement impairments ...

Neuroscience

Dopamine neurons have a role in movement, new study finds

Princeton University researchers have found that dopamine - a brain chemical involved in learning, motivation and many other functions - also has a direct role in representing or encoding movement. The finding could help ...

Neuroscience

Learning in the absence of external feedback

Rewards act as external factors that influence and reinforce learning processes. Researchers from Charité - Universitätsmedizin Berlin have now been able to show that the brain can produce its own learning signals in cases ...

Neuroscience

Neural networks learn to link temporally dispersed stimuli

Rustling leaves, a creaking branch: To a mouse, these sensory impressions may at first seem harmless - but not if a cat suddenly bursts out of the bush. If so, they were clues of impending life-threatening danger. Robert ...

Neuroscience

Mentally challenging activities key to a healthy aging mind

One of the greatest challenges associated with the growing numbers of aged adults is how to maintain a healthy aging mind. Taking up a new mental challenge such as digital photography or quilting may help maintain cognitive ...

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