Trait

Visual hallucinations

Clinical name: Visual hallucination

Visual perception in the absence of a visual stimulus.

HPO HP:0002367

Body system: Abnormality of the nervous system

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31 genes linked to Visual hallucinations

Changes in these genes cause rare conditions in which Visual hallucinations is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.

Gene	How often it is seen	Conditions
ABCB1ATP binding cassette subfamily B member 1	Always	In 1 condition
FIG4FIG4 phosphoinositide 5-phosphatase	Always	In 2 conditions
LRRC7leucine rich repeat containing 7	Always	In 1 condition
NOTCH3notch receptor 3	Always	In 1 condition
ATP13A2ATPase cation transporting 13A2	Often (30–79%)	In 1 condition
EPM2AEPM2A glucan phosphatase, laforin	Often (30–79%)	In 2 conditions
FBXO7F-box protein 7	Often (30–79%)	In 1 condition
NHLRC1NHL repeat containing E3 ubiquitin protein ligase 1	Often (30–79%)	In 1 condition
SNCAsynuclein alpha	Often (30–79%)	In 3 conditions
DEPDC5DEP domain containing 5, GATOR1 subcomplex subunit	Sometimes (5–29%)	In 1 condition
DNAJC13DnaJ heat shock protein family (Hsp40) member C13	Sometimes (5–29%)	In 1 condition
EIF4G1eukaryotic translation initiation factor 4 gamma 1	Sometimes (5–29%)	In 1 condition
GBA1glucosylceramidase beta 1	Sometimes (5–29%)	In 2 conditions
GIGYF2GRB10 interacting GYF protein 2	Sometimes (5–29%)	In 1 condition
HLA-Bmajor histocompatibility complex, class I, B	Sometimes (5–29%)	In 1 condition
HLA-DRB1major histocompatibility complex, class II, DR beta 1	Sometimes (5–29%)	In 1 condition
LGI1leucine rich glioma inactivated 1	Sometimes (5–29%)	In 1 condition
LRRK2leucine rich repeat kinase 2	Sometimes (5–29%)	In 1 condition
MICAL1microtubule associated monooxygenase, calponin and LIM domain containing 1	Sometimes (5–29%)	In 1 condition
NPRL2NPR2 like, GATOR1 complex subunit	Sometimes (5–29%)	In 1 condition
NPRL3NPR3 like, GATOR1 complex subunit	Sometimes (5–29%)	In 1 condition
P4HA2prolyl 4-hydroxylase subunit alpha 2	Sometimes (5–29%)	In 1 condition
PTPN22protein tyrosine phosphatase non-receptor type 22	Sometimes (5–29%)	In 1 condition
PUS3pseudouridine synthase 3	Sometimes (5–29%)	In 1 condition
RELNreelin	Sometimes (5–29%)	In 1 condition
SCN3Asodium voltage-gated channel alpha subunit 3	Sometimes (5–29%)	In 1 condition
VPS35VPS35 retromer complex component	Sometimes (5–29%)	In 1 condition
CACNA1Acalcium voltage-gated channel subunit alpha1 A	Not recorded	In 1 condition
CLN6CLN6 transmembrane ER protein	Not recorded	In 1 condition
DNAJC5DnaJ heat shock protein family (Hsp40) member C5	Not recorded	In 1 condition
SNCBsynuclein beta	Not recorded	In 1 condition

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Broader traits

Hallucinations

Where this comes from

The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
Data release 2026.10.17-8666dff2.

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