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.
Observer effect (physics) For other uses, see Observer effect. In physics, the term observer effect refers to changes that the act of observation will make on a phenomenon being observed. This is often the result of instruments that, by necessity, alter the state of what they measure in some manner.