Illusions of pedigree

Overdistribution Illusions

Overdistribution is a form of memory distortion in which an event is remembered as belonging to too many episodic states, states that are logically or empirically incompatible with each other. We investigated a response formatting method of suppressing 2 basic types of overdistribution, disjunction and conjunction illusions, which parallel some classic illusions in the judgment and decision mak...

Auditory Illusions

Memory Illusions

Memory illusions may be defined as cases in which a rememberer’s report of a past event seriously deviates from the event’s actual occurrence. This article introduces the special issue of the Journal of Memory and Language that is devoted to memory illusions by grounding their study in the context of perceptual illusions. Perceptual illusions have been investigated since the 1850s, whereas memo...

Dissolving Illusions

Immunity from such infections may be natural or may be acquired. By natural immunity we understand a natural resistance to infection by certain micro-organisms which are known to have pathogenic properties for other species of animals. It is know, for instance, that microbes which produce a rapidly fatal disease in one kind of animal are quite innocuous when introduced even in enormous numbers ...

Dissolving Illusions

ALTHOUGH it has not been in my power to extend the inquiry into the causes and effects of the variolæ vaccinæ much beyond its original limits, yet, perceiving that it is beginning to excite a general spirit of investigation, I think it of importance, without delay, to communicate such facts as have since occurred, and to point out the fallacious sources from whence a disease imitative of the tr...