Galt - god
- Galton's definition of hallucinations and illusions
- ganglionic hallucination
- ganglionic illusion
- garden hose bow
- Gedankenhören
- Gedankenlautwerden
- Gélineau's disease and hallucinations
- general elementary somatopsychosis
- general paresis and hallucinations
- generalized anaesthesia
- genital hallucination
- genuine hallucination
- geometric hallucination