Sentences with phrase «in juvenile rats»

Sexually dimorphic effects of a prenatal immune challenge on social play and vasopressin expression in juvenile rats.

Among health issues that some advocates have linked to chemical exposures: early pubescence in girls (BPA hastens the onset of pubescence in juvenile rats); asthma (car and truck exhaust can induce or worsen lung inflammation), and genital malformation (phthalates have been linked to lower sperm count and deformed penises in rats).

Not exact matches

Juvenile male rats usually engage in more social play than females, but female rats that received the drug frolicked just as much as the males.

Aside from anecdotes, we know very little about nonhuman primate laughter and humor, but some of the most significant findings to emerge in comparative science over the past decade have involved the unexpected discovery that rats — particularly juvenile rats — laugh.

Accordingly, we feel justified in cautiously advancing and empirically cultivating the theoretical possibility that there is some kind of an ancestral relationship between the playful chirps of juvenile rats and infantile human laughter.

Rats are particularly ticklish, it seems, in their nape area, which is also where juveniles target their own play activities such as pinning behavior [when one rat pins another on its back].

Sergio Pellis at the University of Lethbridge in Alberta, Canada, put juvenile rats in cages that allowed them to sniff, groom and interact with others, but not to engage in rough - and - tumble play.

Searching for clues to complex human social behaviors, the team developed a procedure in which laboratory rats — much like humans — prefer to approach distressed juveniles but avoid distressed adults — responses known as social affective behaviors, according to the article titled «Insular cortex mediates approach and avoidance responses to others in distress.»

Maternal obesity increases hypothalamic leptin receptor expression and sensitivity in juvenile obesity - prone rats.

This is in agreement with findings in juvenile male and female rats with low levels of gonadal hormones.

Vasopressin regulates social recognition in juvenile and adult rats of both sexes, but in sex - and age - specific ways.

We induced local inflammation in juvenile and adult rats that had been fed a 6.6:1 ketogenic diet for three weeks.22 Inflammation was produced by subcutaneous injection of complete Freund's adjuvant into one hindpaw.

We found that this increased latency to thermal pain was present in juvenile and adult rats, 22 and in other studies determined that the ketogenic diet does not impact motor function.23, 24 Therefore, motor deficits did not underlie this increased behavioral latency.

The effects of a ketogenic diet on behavioral outcome after controlled cortical impact injury in the juvenile and adult rat.

Other works like «Dark Stuff» (below) are mind - boggling in their eclectic choice of materials, edging on almost grotesque — 189 mummified animals, consisting of 67 field mice, 5 adult rats, 42 juvenile rats, 44 garden shrews, 1 fox, 1 squirrel, 1 weasel, 13 carrion crows, 7 jackdaws, 1 blackbird, 1 sparrow, 1 robin, 1 toad, 1 gecko, 3 garden snail shells.