Tag: "maze" at medical news
Discovery of pathway in learning impairment caused by liver disease may lead to drug treatment
...ithout sildenafil. All animals were subjected to a maze
learning test four weeks following surgery or from the date when drug treatment began. Levels of both cGMP and ammonia in brain were measured using a microdialysis probe. Results showed that while rats with the portacaval shunt showed a reduced learn...
Small band of nurses plays key role keeping germ threats at bay
...d for the week. Visitors found their way through a maze
of corridors to the vaccine testing unit, which is on the same floor of the Medical Center as the university's children's hospital, Golisano Children's Hospital at Strong. Next to the elevators hid Oscar the Grouch, periodically popping up from his d...
New insights into hormone therapy highlight when estrogen best aids brain
...tive tests. In the spatial water-escape radial arm maze
test, mice had to swim in a wheel-shaped maze
until they were able to locate a submerged platform escape route. Mice were tested every day for two...
High-fat diets hammer memory, more than a waistline worry
...eir learning and memory, the mice then completed a maze
task. Halagappa found that the mice on the high-fa... high-sugar diets could not learn and remember the maze
as well as those on the other diets. "These results provide direct evidence that fast food di...
Minimally invasive surgery for heart rhythm abnormality proven effective
...ox, M.D., developed a surgical cure called the Cox maze
procedure to control these erratic impulses. In th...th a success rate of more than 90 percent, the Cox maze
procedure revolutionized the treatment of atrial fibrillation. However, it is technically difficult ...
New way of controlling cholesterol may help treat Alzheimer's
...e were much better at learning their way through a maze
than were untreated mice. "We found that this way...of treated and untreated mice swim through a water maze
three times a day for four days. The inhibitor did not make a difference for the male mice, which w...
Lithium may protect neurons from radiation therapy
...rvival. The researchers also observed animals in a maze
to determine long-term effects on memory and learning, and found that the animals pre-treated with lithium performed better than those who did not receive lithium prior to radiation. The team further noted that lithium did not appear to protect other...
How a dietary supplement can protect against Alzheimer's disease
...ed by memory deficits observed in the Morris water maze
paradigm," wrote the researchers. "The results show a dramatic impact of diet on the expression of the AD-related postsynaptic marker phenotype and provide new insight into how essential fatty acid intake may modulate the expression of neurodegenerat...
Women exposed to frustrating noise stress snack more afterwards
...asked to solve puzzles by tracing a path through a maze
without crossing any lines. Unknown to the participant, one puzzle was solvable but the other one wasn't. The number of times the participant attempted to solve the unsolvable puzzle was used as a measure of the person's persistence or residual fru...
Existing therapies applied to new use in broader spectrum of cancer care
...ole brain radiation successfully negotiated radial maze
and hole-board tests as well as non-irradiated mice, Wong said. While EPO-treated irradiated mice demonstrated no behavioral or learning impairment, animals treated with EPO alone showed no boost or improvement in cognitive function. ...
Concord grape juice improved memory and neuro-motor skills in animal study
...d laboratory animals' short-term memory in a water maze
test as well as their neuro-motor skills in certain of the coordination, balance and strength tests, according to preliminary research presented at the 1st International Conference on Polyphenols and Health recently held in Vichy, France. ...
Yesterday, today and tomorrow: Mount Sinai researchers are making sense of episodic memory
...within the brain while rats searched for food in a maze
where the starting and ending point was varied. The researchers examined activity in the hippocampus, a brain region that is key for memory. The hippocampus contains cells, called place cells, which become more active in response to a particular s...
Adolescent binge drinking produces tolerance to alcohol
...ed with alcohol, 34 with saline) were trained on a maze
task on nontreatment days and, after completing pretreatment and training, were tested after an alcohol challenge (1.0, 1.5 or 2.0 g/kg) or saline. Tests for experiments II, III and IV were repeated in the same animals following 12 alcohol-free days...
Animal studies prove hormone replacement therapy improves memory, report Pitt researchers
...er ERT, the animals were placed several times in a maze
to test their memory and performance. Rats that had their ovaries removed with subsequent ERT outperformed rats on various tasks without ERT. The ability of estrogen to enhance performance was lost in animals that had specific cholinergic neurons rem...
Long-term ERT in postmenopausal women with Alzheimer's may worsen memory
... University of Arizona had 40 rats perform a water maze
task to look at the interaction of two conditions ... was not enough to impair performance in the water maze
task. However, the introduction of either sustained estrogen replacement therapy or chronic brain in...
Demystifying Cancer: Physicians, Researchers, And Web Experts Offer Two-Day Symposium For Patients, Families, Health Care Providers, And The Public
To help people decipher the bewildering maze
of cancer information on the WorldWide Web and to empower patients and families to work as effective partners withtheir health care providers, four Boston-based organizations are offering aunique two-day program called "Demystifying Cancer." This pr...
New Theory May Explain Ritalin Action In Hyperactivity
...measured by their ability to complete acomplicated maze
that required them to remember, pay attention and respond toexternal cues and display appropriate behavioral responses. However, the scientists detected no corresponding rise in dopamine toaccompany the behavioral change, leading them to beli...
Rats Receiving Ginkgo Biloba Learn Quicker, Live 20 Percent Longer Than Controls, UB Study Finds
... tasks performed in an apparatus called the radial maze
could reliably detect deficiencies in learning and...l weeks, the animals performed tasks in the radial maze
that required them to master new challenges and retain learned information over time. Results ...