Paræsthesia.—Erroneous or morbid sensation.
Paramnesia.—All forms of erroneous memory.
Paraphasia.—The erroneous and involuntary use of one word for another.
Percipient.—The correlative term to Agent; the person on whose mind the telepathic impact falls; or, more generally, the person who perceives any motor or sensory impression.
Phantasm and Phantom.—Phantasm and phantom are, of course, mere variants of the same word; but since phantom has become generally restricted to visual hallucinations, it is convenient to take phantasm to cover a wider range, and to signify any hallucinatory sensory impression, whatever sense—whether sight, hearing, touch, smell, taste, or diffused sensibility—may happen to be affected.
Phantasmogenetic centre.—A point in space apparently modified by a spirit in such a way that persons present near it perceive a phantasm.
Phobies.—Irrational restricting or disabling preoccupations or fears; e.g., agoraphobia, fear of open spaces.
Photism.—See Secondary sensations.
Point de repère.—Guiding mark. Used of some (generally inconspicuous) real object which a hallucinated subject sometimes sees as the nucleus of his hallucination, and the movements of which suggest corresponding movements of the hallucinatory object.
Polyzoism.—The property, in a complex organism, of being composed of minor and quasi-independent organisms. This is sometimes called "colonial constitution," from animal colonies.