Once the condition has reached this advanced stage, it's called furunculosis. In severe cases of chin acne, swelling, hair loss and draining tracts can develop. The area can be very itchy, and cats can cause additional trauma by scratching. Secondary bacterial infections are common with this condition.
definition - sleeper effect. Sleeper effect. The sleeper effect is a psychological phenomenon whereby a highly persuasive message, paired with a discounting cue, causes an individual to be more persuaded by the message (rather than less persuaded) over time.
The founder effect is a special case of genetic drift, occurring when a small group in a population splinters off from the original population and forms a new one.s a result of the loss of genetic variation, the new population may be distinctively different, both genotypically and phenotypically, from the parent population from which it is derived. In extreme cases, the founder effect is thought to lead to the speciation and subsequent evolution of new species.