Science / Psychiatry / Visual Hallucination: A hallucination involving sight, which may consist of formed images, such as of people, or of unformed images, such as flashes of light. Visual hallucinations should be distinguished from illusions, which are misperceptions of real external stimuli.
Hallucination Verb Synonyms: fantasy, mirage, day-dream, illusion, delusion, vision, dream, aberration, chimera, phantasm, phantom, figment of the imagination, apparition, spectre, ghost, par‘sthesia
Science / Psychiatry / Visual Asymbolia: words can be transcribed but not read MORE
Science / Psychiatry / Tactile Hallucination: A hallucination involving the perception of being touched or of something being under ones skin. The most common tactile hallucinations are the sensation of electric shocks and formication (the sensat MORE
Science / Psychiatry / Somatic Hallucination: A hallucination involving the perception of a physical experience localized within the body (such as a feeling of electricity). A somatic hallucination is to be distinguished from physical sensations MORE
Technology / Radar / Visual Average Speed Computer And Recorder (VASCAR): This is little more than a glorified stopwatch, whereby the vehicle is timed over a set distance (for example over two white markings in the road surface or over two bridges) an average speed is then MORE