09 May 2014, 05:02 PM ET
That feeling of foggy thinking can make work or social relationships difficult. Lack of sleep and stress are well known to interfere with clear thinking, but there are other reasons for brain fog too.
25 April 2014, 11:42 AM ET
Trying to justify torture or wartime atrocities literally alters the memory, particularly in conversation with members of one's own group, new research finds. The effect could influence how people treat outsiders.
18 April 2014, 12:59 PM ET
Although forgetting is normal and vital to how the brain works, it sometimes happens in strange or unexplained ways.
10 April 2014, 01:27 AM ET
Psychotropic drugs are being over-used in Australian aged-care facilities to chemically restrain residents, according to both researchers and several government reports. But despite all this attention, little is being done to reduce their use.
02 April 2014, 04:00 PM ET
People who are fitter in their 20s may have sharper minds in their 40s and 50s, a new study finds.
02 April 2014, 03:50 PM ET
Whether it's messy breakup or a traumatic car crash, there are some memories many of us would rather erase from our minds. Although the idea was explored in the 2004 film "Eternal Sunshine of the Spotless Mind," the total erasure of conscious memories is
28 March 2014, 04:14 PM ET
If you're having some memory lapses that worry you, discuss them with your doctor.
19 March 2014, 02:05 PM ET
Scientists have long wondered why some people develop Alzheimer's disease while others have healthy brains throughout their lifetime. Now, new research identifies a molecule that protects brain cells from the stress of aging, which may stave off neurodege
19 March 2014, 12:02 PM ET
Devices to keep seniors at home and independent are becoming sleeker, smarter and less intrusive, and wearable technology could make future care even brighter.
18 March 2014, 10:31 AM ET
Researchers have shown that actively trying to forget an unwanted memory may actually weaken the underlying, unconscious trace as well.
27 February 2014, 12:33 AM ET
Memory involves encoding, storing, retaining and subsequently recalling information and past experiences.
21 February 2014, 10:08 AM ET
Selenium supplements are taken by people who want to prevent cancer, heart disease, memory loss and diabetes. But does taking selenium work? Here's a look at what the science says.
12 February 2014, 07:42 PM ET
Implicit memory uses past experiences to remember things without thinking about them, like how to ride a bike or button a shirt.
05 February 2014, 11:21 PM ET
Declarative memory, or explicit memory, consists of facts and events that can be explicitly stored and consciously recalled or "declared."
29 January 2014, 12:02 AM ET
Semantic memory is the recollection of nuggets of information we have gathered from the time we are young.
28 January 2014, 01:42 AM ET
Short-term memory loss occurs when a person can remember incidents from 20 years ago but is fuzzy on the details of things that happened 20 minutes prior. Medical conditions and injuries can cause short-term memory loss.
21 January 2014, 12:23 AM ET
A simple pen-and-paper test is revealing Alzheimer's symptoms years early.
15 January 2014, 04:58 PM ET
A cheap, self-administered test that requires only a pencil, paper, and ten minutes of a patients time can catch the cognitive symptoms of Alzheimer's disease years before a patient would alert their doctor about them.
13 January 2014, 08:33 AM ET
Results of a simple, handwritten test can alert older adults when they should be evaluated for dementia, according to a new study.
09 December 2013, 01:19 PM ET
When it comes to looking at art and artifacts, new research may encourage habitual shutterbugs to put away their cameras. A study suggests museum-goers are less likely to remember objects they photograph than objects they simply observe.
21 November 2013, 12:15 AM ET
“Time is the thief of memory,” wrote Stephen King in one of his many books. For some people, however, that is not true.
15 October 2013, 02:52 PM ET
The liver and brain both need a compound called PPARalpha, a new study finds. If the liver uses too much PPARalpha in order to breakdown belly fat, there may not be enough left for the brain's hippocampus region to function well, the researchers said.
09 October 2013, 04:36 PM ET
Diagnosing Alzheimer's disease in its early stages has always been challenging. But researchers believe they may have discovered a simple test that could be used to make a diagnosis of early-stage Alzheimer's disease — and it involves peanut butter.
01 October 2013, 11:00 AM ET
There have recently been concerns over statins — a group of cholesterol-lowering drugs — and their effect on memory and cognition, following reports of foggy brains by some statin users. Researchers say the effect does not exist.
30 September 2013, 06:30 PM ET
Common life stressors — such as divorce, widowhood or losing a job — may increase the risk of dementia later in life, a new study of women in Sweden suggests.
12 September 2013, 11:18 AM ET
People who eat breakfast tend to have a lower risk of many health conditions, studies have shown. Here's a look at the research showing why you should not skip the morning meal.
20 August 2013, 01:16 PM ET
Researchers describe a woman who started having musical hallucinations. She did not recognize the songs in her head, but when she sang or hummed them for her husband, he identified them as popular tunes.
26 July 2013, 01:43 PM ET
False memories can be implanted in mice and presumably humans.
25 July 2013, 02:00 PM ET
Tinkering with the brains of mice, scientists have given the rodents memories of events that never occurred. The findings provide a model for how false memories might be formed in humans, who may have evolved this ability due to their creativity.
24 July 2013, 01:57 PM ET
It's easy to imagine that forgetting to brush may lead to tooth problems, but could the tooth loss in turn affect the mind? Study suggests tooth loss affects the memory. Researchers offer possible explanations for the surprising link.
18 July 2013, 02:30 PM ET
Chimpanzees and orangutans may remember events from the distant past, as humans do, a new study suggests. Researchers tested the animals years after they had observed tools being hidden, and found the animals still remembered where the tools were.
18 July 2013, 02:28 PM ET
Déjà vu has been under investigation for years by scientists, who have yet to offer a complete explanation for the phenomenon. Recent research, however, has yielded some clues into what causes déjà vu.
16 July 2013, 04:00 PM ET
Drinking plain old water may help improve mental performance, a new study suggests. In the study, participants who drank water before a test had improved reaction times.
09 July 2013, 09:33 AM ET
Although debates about gun control often focus on the safety of children around guns, older people who own guns are also at risk for injury, doctors say. In fact, older people are more likely than the average person to suffer self-inflicted gunshot wounds
03 July 2013, 04:00 PM ET
For both young and old people, brain stimulating activities seem to be linked with less cognitive decline late in life, a new study says.
20 June 2013, 09:35 AM ET
The new tech not only replaces faulty memory, but enhances normal memory.