Experience and cortical control over the pubertal transition to rougher play fighting in rats
With the onset of puberty, play fighting in rats decreases in frequency and the tactics of attack and defense that are used are rougher. Previous
With the onset of puberty, play fighting in rats decreases in frequency and the tactics of attack and defense that are used are rougher. Previous
The frequency of playful attack and the style of playful defense, are modifiable by gonadal steroids and change after puberty in male and female rats.
Using a data set of 69 different mammalian species, Heffner and Masterton propose that the longer and deeper the fibres of the corticospinal tract, the
The relationship between manus proportions and forepaw dexterity in 33 species of carnivores (Carnivora) was examined. Both the analysis of “raw ” data and independent
This study examined manual dexterity and skilled limb movements in two species of tree kangaroos (Dendrolagus lumholtzi and D. matschiei) in order to evaluate the
Dead reckoning is an on-line form of spatial navigation used by an animal to identify its present location and return directly to a starting location,
Juvenile rats sustaining dopamine depletions by intraventricular injections of 6-hydroxydopamine (6-OHDA) as neonates were used to study the role of the striatum in controlling play
Enucleated juvenile rats were compared to sighted juveniles, and tested over six trials. In some of these trials, the vibrissae were clipped and the test
Catalepsy, a symptom of Parkinson’s disease and related disorders can be produced in rats and other laboratory animals by the blockade of nigrostriatal dopamine using
Rats protect food by dodging horizontally away from a conspecific. Females and males use different movement and stepping patterns to execute a dodge. An unresolved
Play is a distinctive behavior of young mammals, especially mammals with a well-developed forebrain. For this reason it is thought that there may be a
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