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A hallucination is a perception in the absence of an external stimulus that has the compelling sense of reality. [6] They are distinguishable from several related phenomena, such as dreaming (), which does not involve wakefulness; pseudohallucination, which does not mimic real perception, and is accurately perceived as unreal; illusion, which involves distorted or misinterpreted real ...
An auditory hallucination, or paracusia, [1] is a form of hallucination that involves perceiving sounds without auditory stimulus. While experiencing an auditory hallucination, the affected person hears a sound or sounds that did not come from the natural environment. A common form of auditory hallucination involves hearing one or more voices ...
Hyperphantasia is the condition of having extremely vivid mental imagery. [ 1 ] It is the opposite condition to aphantasia, where mental visual imagery is not present. [ 2 ][ 3 ] The experience of hyperphantasia is more common than aphantasia [ 4 ][ 5 ] and has been described as being "as vivid as real seeing". [ 4 ]
The mental status examination (MSE) is an important part of the clinical assessment process in neurological and psychiatric practice. It is a structured way of observing and describing a patient's psychological functioning at a given point in time, under the domains of appearance, attitude, behavior, mood and affect, speech, thought process, thought content, perception, cognition, insight, and ...
Hypnopompia (also known as hypnopompic state) is the state of consciousness leading out of sleep, a term coined by the psychical researcher Frederic Myers. Its mirror is the hypnagogic state at sleep onset; though often conflated, the two states are not identical and have a different phenomenological character.
Pseudohallucination. A pseudohallucination (from Ancient Greek: ψευδής (pseudḗs) "false, lying" + "hallucination") is an involuntary sensory experience vivid enough to be regarded as a hallucination, but which is recognised by the person experiencing it as being subjective and unreal. By contrast, a "true" hallucination is perceived as ...
Mental health nursing. Psychiatric nursing or mental health nursing is the appointed position of a nurse that specialises in mental health, and cares for people of all ages experiencing mental illnesses or distress. These include: neurodevelopmental disorders, schizophrenia, schizoaffective disorder, mood disorders, addiction, anxiety disorders ...
Delirium (formerly acute confusional state, an ambiguous term which is now discouraged) [ 1 ] is a specific state of acute confusion attributable to the direct physiological consequence of a medical condition, effects of a psychoactive substance, or multiple causes, which usually develops over the course of hours to days. [ 2 ][ 3 ] As a ...