After training the rats to navigate the mazes, the researchers tested their ability to retrace their routes.
Then, they tested their ability to cope with losses from a range of economic and financial situations.
They also improved on spatial-navigation tasks requiring mental imagery, which tested their ability to follow a series of up, down, left, and right directions on a visually imagined game board.
The researchers, led by Dr. Michael J. Barrett, a cardiologist at the Temple University School of Medicine, took a group of general internists and tested their ability to detect heart murmurs.
The research, carried out at the University of Reading's farm in Berkshire, exposed bumblebee colonies to different levels of neonicotinoid found in normal fields and then tested their ability to pollinate apple trees.
By March 1962, when "Last Year at Marienbad" opened, the pump had been primed; New Yorkers were ready, even eager to wrestle with pictures from abroad that tested their ability to "read" a film.
Using M.R.I., the scientists looked at the brain activity of 19 healthy volunteers as they were led through tasks that tested their ability to recognize both faces and voices.
They compared the cognitive ability of people aged 50 and over across rich and emerging economies by means of an experiment which tested their ability to recall words, and used the results to weight dependency ratios.
With the primates, Uslaner's team tested their ability to match colors on a touchscreen and to pay attention to and identify the origin of a flashing light.
When the pups were 14 weeks old, Range and Virányi tested their ability to follow the gaze of a person who turned her head and looked into the distance.
In the new study, reported last week in Current Biology, researchers fed the larvae of fruit flies alcohol-spiked food and then tested their ability to learn to avoid an unpleasant stimulus.
