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Updated: Aug 14, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
Published on: June 3, 2013
The psychopathology of hallucinations--a methodological analysis
This study redefines hallucinations, moving beyond outdated definitions to view them as complex mental activity authored by the individual. This new perspective offers a more dynamic and operationally useful understanding of hallucinations in psychiatry.
Area of Science:
- Psychiatry
- Philosophy of Mind
- Cognitive Science
Background:
- The traditional definition of hallucinations as 'perceptions without stimulation of the sense organs' is critically examined.
- This outdated definition is identified as a relic of 19th-century para-physiological thinking, hindering heuristic progress.
- A need for a new, operationally and dynamically grounded definition of hallucinations is established.
Purpose of the Study:
- To propose a redefined, heuristically useful, and operationally sound definition of hallucinations.
- To challenge the conventional understanding of hallucinations.
- To integrate a dynamic and holistic perspective into the study of hallucinations.
Main Methods:
- Conceptual analysis and redefinition of hallucinations based on operational and dynamic principles.
- Historical review of early 19th-century French clinical thought on hallucinations.
- Phenomenological, psychological, dynamic, psychodynamic, emotional, logical, nosological, and interpersonal description of hallucinations.
Main Results:
- Hallucinations are redefined as a multifaceted complex human mental activity, not merely 'perceptions without stimulation'.
- The concept of the 'hallucinator' as the author of hallucinations, analogous to a dreamer, is central to the redefinition.
- Hallucinations are understood as an indivisible whole, described across multiple parameters.
Conclusions:
- The proposed redefinition offers a more heuristically useful and dynamically grounded understanding of hallucinations.
- Adopting an operational and dynamic framework enhances the study of hallucinatory phenomena.
- Hallucinations are a complex manifestation of human mental activity, best understood holistically.
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