Freeze control mind

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In a related manner, hormones, progestogens and estrogen , also play a role in freezing behavior. It was found that avoidance was unaltered while freezing behavior decreased. When a prey animal has been caught and completely overcome by the predator, it may respond by "freezing up" or in other words by staying completely still. Results demonstrate that rats in this behavioral estrous show less impulsive burying and also less freezing behavior than diestrous rats. The rats were then given an inhibitor for the extracellular serotonin, which resulted in a reduced freezing behavior. As expected, both groups of rats froze for significantly less time when presented with the fake cat hair stimulus than when in the presence of the real cat hair.

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