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A hard last year of life

https://www.mpg.de/20270779/0504-defo-high-care-needs-during-the-last-year-of-life-are-most-common-154642-x

Dying is often associated with extensive health and elderly care. A recent study by Marcus Ebeling from the Max Planck Institute for Demographic Research and colleagues in Swenden came to this conclusion through a new way of analyzing data from the Swedish registry of the entire population. The researchers suggest that living longer may also mean spending more time dying.
This allows us to draw a direct link between the different paths to death, age at

Researchers are watching the brain memorizing rooms

https://www.mpg.de/15026064/researchers-are-watching-the-brain-memorizing-rooms

Our brains construct mental maps of the environment from the experiences of our senses. This allows us to orient ourselves, remember where something happened, and plan where we go next. Researchers at the Max Planck Institute for Human Cognitive and Brain Sciences in Leipzig and the Kavli Institute for Systems Neuroscience in Trondheim have now developed a new computer model that can finely watch the brain as it orients in space and remembers things.
This so-called encoding model enables them to directly link the brain activity of

Hungry for rewards – insulin in the midbrain influences eating behaviour

https://www.mpg.de/4338096/insulin_eating_behaviour

Still hungry – or already full? The brain controls eating behaviour and curbs our appetite when the body has consumed enough energy. It obtains its information about the degree of satiety from various messenger substances, of which insulin plays an important role. Scientists at the Max Planck Institute for Neurological Research and the Cluster of Excellence in Cellular Stress Responses in Aging-associated Diseases (CECAD) at the University of Cologne have now discovered that in mice, insulin not only acts as a metabolic signal transmitter in the hypothalamus, a fact that is already known, but also in the dopamine-producing cells of the midbrain. The switching off of the insulin receptors in these neurons causes gluttony and overweight.
A link with the brain’s reward system was also established as the examined neurons