Immunology

How chronic inflammation may drive down dopamine and motivation

Growing evidence shows that the brain's dopamine system, which drives motivation, is directly affected by chronic, low-grade inflammation. A new paper proposes that this connection between dopamine, effort and the inflammatory ...

Psychology & Psychiatry

Can drugs that treat hypertension may also treat depression?

In the current issue of Psychotherapy and Psychosomatics, the relationship of drugs that are generally used for treating hypertension (angiotensin converting enzyme inhibitors) are examined in their effects as to depression.

Medical research

How sleep helps us learn and memorize

Sleep is important for long lasting memories, particularly during this exam season. Research publishing in PLOS Computational Biology suggests that sleeping triggers the synapses in our brain to both strengthen and weaken, ...

Neuroscience

Carving memories at their joints

How the brain decides when to modify old memories and when to carve new memories is revealed in a study published this week in PLOS Computational Biology.

Neuroscience

This is how the visual system shows us a more persistent world

Imagine meeting a friend on the street, and imagine that with every step they take, your visual system has to process their image from scratch in order to recognize them. Now imagine if the same thing were to happen for every ...

Immunology

Learning to help the adaptive immune system

Scientists from the Institute of Industrial Science at The University of Tokyo demonstrated how the adaptive immune system uses a method similar to reinforcement learning to control the immune reaction to repeat infections. ...

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