Tag: Brain

Can a brain injury change who you are?

Can a brain injury change who you are?

Phineas Gage was a well-mannered, respectable, smart business man, but after a severe brain injury became irresponsible, rude and aggressive. He was careless and unable to make good decisions. Was his brain injury the cause of his personality change?

April 20, 2018 | By | Reply More
What we know and don’t know about memory loss after surgery

What we know and don’t know about memory loss after surgery

Postoperative cognitive dysfunction (POCD) is a little-known condition that affects a substantial number of older adults after surgery. Some patients experience memory problems; others have difficulty multitasking, learning new things, following multistep procedures or setting priorities. Most of the time, POCD is transient and patients get better in several months. But sometimes — how often hasn’t been determined — this condition lasts up to a year or longer.

April 12, 2018 | By | Reply More
Even infants who appear normal may have Zika brain damage, study

Even infants who appear normal may have Zika brain damage, study

Zika virus may cause significant damage to the fetal brain even when the baby’s head size is normal, according to a new animal study led by researchers at the University of Washington School of Medicine in Seattle. The damage, which can be difficult to detect even with sophisticated brain scans, may also occur in children infected during early childhood and adolescence, the researchers warn.

March 17, 2018 | By | Reply More
How your brain is wired to just say ‘yes’ to opioids

How your brain is wired to just say ‘yes’ to opioids

When opioids enter the brain, they bind to receptors known as μ (mu) opioid receptors on brain cells, or neurons. These receptors stimulate the “reward center” of the brain. Over time, those receptors become less sensitive, and more of the drug is needed to stimulate the reward center.

March 4, 2018 | By | 1 Reply More
How Alzheimer’s disease spreads throughout the brain – new study

How Alzheimer’s disease spreads throughout the brain – new study

A new study finds the tau protein, which has been implicated in Alzheimer’s disease, spreads between connected neurons. This suggests you might be able to prevent or freeze the symptoms of Alzheimer’s disease by preventing the spread of the protein from neuron to neuron.

January 8, 2018 | By | Reply More