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.
05 June 2013, 04:00 PM ET
People with the heart condition atrial fibrillation may develop dementia earlier than people without the condition.
30 May 2013, 09:54 AM ET
Kids with ADHD are at increased risk for emotional problems, and researchers now say they may know one reason for this.
24 May 2013, 03:48 PM ET
A new study confirms what many women say happens to their memory abilities during menopause.
21 May 2013, 05:00 PM ET
Drug may stave off brain function decline by mimicking effects of calorie restriction.
01 April 2013, 04:25 PM ET
Even light exercise and mental stimulation may improve cognitive function in older adults.
21 March 2013, 01:37 PM ET
The brain uses shortcuts to remember complex social ties.
07 March 2013, 06:08 PM ET
A reduced ability to remember words at the beginning of a list may be an early sign of mental decline.
28 February 2013, 10:04 AM ET
Psychologists have confirmed what Jane Austen knew 200 years ago: In love, 'a good memory is unpardonable.'
20 February 2013, 06:30 PM ET
The total amount of antioxidants in the diet is not linked to stroke and dementia risk.
14 February 2013, 09:44 AM ET
Hormones may lower Alzheimer's risk in women who carry a gene for the disease
07 February 2013, 03:25 PM ET
A genetic mutation creates the piles of proteins found in the most common forms of the disorder