Sentences with phrase «baby rats who»

Baby rats who were anesthetized with ketamine later exhibited difficulties with learning and memory, as well as behavioral abnormalities.

Not exact matches

A study cited in a NY Times article states that McGill University neurologist, Michael Meaney, discovered that his rats who licked and groomed their babies frequently, produced rats who figured out mazes more quickly than the rats whose mothers were less attentive.

For example, Hofer (1987, 1994) examined physiological regulation in rat babies (who are much less social than humans) and has demonstrated that separation from mother causes dysregulation in multiple physiological systems like breathing, heart rate, hormones.

But sometime later, I read an article about two researchers who discovered that mother rats were smarter — specifically in learning and memory capacity — than rats that never had babies.

ANTI-CIO # 4: In a study performed on rats, rat mothers who were nurturing towards their rat babies (i.e. licked their babies often) produced more growth hormones and changed the chemistry of the DNA in certain genes involved in the offspring's stress response.

The rats who as babies were licked and groomed did much better on all sorts of things when they reached adulthood.

Baby rats receive sexual imprinting through their sense of smell, and will prefer to mate with females who smell like their mothers.

Better grist is found in «Rita and the Rats with Belinda Balaski», an 11 - minute HiDef featurette with the actress who had to carry a baby to term while giant rats sought to eat their way into her hoRats with Belinda Balaski», an 11 - minute HiDef featurette with the actress who had to carry a baby to term while giant rats sought to eat their way into her horats sought to eat their way into her house.

From my experience with fellow baby boomers who have already retired in their 50s, I can give you one tip: if you truly wish to leave the rat race before you're 60, then get a government job in your early 20s — preferably upon graduating from university or college — enroll in the Defined Benefit pension plan, then hang on to that job for dear life for about 30 years.

I suspect that non-native rats also take their toll on baby birds who are defenseless on the ground.

Maybe you've got a friend who liberated these little guys from a lab or maybe your niece's mouse or rat had babies and she can't keep them all.

In one seminal (no pun intended) study, raters were more likely to correctly match pictures of infants with biological fathers than biological mothers (i.e., babies looked more like dad than mom); 4 however, this finding has not been replicated by subsequent research.5, 6 Interestingly, dads who think their kids look like them tend to have more positive relationships with those children.7 It makes sense that mothers (and mothers» relatives) are more likely to say that a baby looks like the father, possibly as a form of reassuring the father of his paternity.8 Although, to be fair, there is just something about a bald chubby baby that looks more «dad - like» than «mom - like.»