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Implant helps paralyzed man to feed himself and drink from a cup

A neuroprosthetic system has helped a man with paralysis move his hand and feel touch again following a spinal cord injury, reports research published in Nature Medicine. Some of the system's benefits continued even when ...

Brain imaging now reveals receptor dysfunction in living patients with schizophrenia

A study using positron emission tomography (PET) imaging has found that patients with schizophrenia had significantly lower muscarinic acetylcholine M1 receptor availability (about 13%–19%) across multiple brain regions than ...

Medical research news

Roasted and browned: How gut bacteria break down heated foods

Crusty bread, fried meat and roasted coffee owe their characteristic taste and browning to chemical reactions that occur when foods are heated. In the so-called Maillard reaction, amino acids—the building blocks of proteins—react ...

Dynamic 3D scaffold could advance fibrosis and cancer research

Because living systems are dynamic, biomaterials should be dynamic in their mechanical properties, including stiffness. The bioelectronic conducting material PEDOT:PSS is often used in electronics and biomedical applications. ...

Can magnetic fields help fight Parkinson's disease?

An international team has succeeded in using a magnetic field to target structures deep within the brain. The researchers injected magnetic nanoplatelets into the relevant region. By doing so, they succeeded in treating movement ...

How the skin really tells cool from warm

Whether we hold a warm mug or step onto a cool floor, specialized nerve cells in the skin constantly report temperature to the brain. Scientists have long assumed that separate groups of sensory cells detect nonpainful cool ...

Sleep disorders don't just exhaust you, they change your brain

Sleep disorders may do more than leave people feeling tired. New research from Florida International University shows that sleep disorders are associated with structural changes in brain regions involved in attention, motivation ...