Sentences with phrase «ticklish rats»
Panksepp soon found that the most ticklish rats — which, empirically, means simply those rats that emitted the most frequent, robust and reliable 50 - kHz chirps in human hands — were also the most naturally playful individuals among the rat subjects.
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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].
The rats were distinctly less ticklish, and their brain activity showed a suppression of the cells that had fired so enthusiastically in the previous experiment, even when they were stimulated with the electrodes, he says.
To determine whether rats, too, are less ticklish when they are anxious, the researchers put them on an elevated platform and exposed the nocturnal animals to a bright light.
RATS are ticklish just like us, and their reaction has now been used to identify the brain cells involved.