Anatom3DLeft superior colliculus
Colliculus superior sinister · Levý horní hrbolek
Nervous system
Looks like
The upper pair of small bumps on the back of the midbrain, below the pineal gland.
What it does
Turns the eyes and head toward something seen or heard; a reflex centre for eye movements.
Keeping it well
Pressure from a pineal tumour or hydrocephalus causes trouble looking up (Parinaud syndrome).
Related conditions
- Acute liver failure
- ADHD
- African trypanosomiasis (sleeping sickness)
- Alcohol withdrawal and delirium tremens
- Altitude sickness
- Alzheimer's disease
- Amyloidosis (AL and ATTR)
- Autism spectrum disorder
- Bipolar disorder
- Birth asphyxia (hypoxic-ischaemic encephalopathy)
- Body dysmorphic disorder
- Botulism
- Brain abscess
- Brain aneurysm
- Brain tumour (glioma & meningioma)
- Cerebral palsy
- Chiari malformation and syringomyelia
- Chickenpox (varicella)
- Chronic insomnia
- Chronic neuropathic pain
- Chronic pain syndrome
- Cluster headache
- Concussion (mild TBI)
- Congenital hypothyroidism
- Cryptococcal meningitis
- Delirium
- Dementia with Lewy bodies
- Down syndrome (trisomy 21)
- Drowning
- Eating disorders
- Encephalitis
- Epilepsy
- Essential tremor & dystonia
- Fainting (syncope)
- Febrile seizures
- Fibromyalgia
- Fragile X syndrome
- Frailty & falls in older age
- Functional (somatic) symptom disorder
- Generalised anxiety disorder
- Guillain-Barré syndrome
- Haemorrhagic stroke
- Heat exhaustion & heatstroke
- Hepatic encephalopathy
- Huntington's disease
- Hydrocephalus
- Hypoglycaemia (low blood sugar)
- Intellectual disability
- Ischaemic stroke
- Japanese encephalitis
- Lead poisoning
- Long COVID (post-viral syndrome)
- Lyme disease
- Major depressive disorder
- ME/chronic fatigue syndrome
- Measles
- Medication-overuse headache
- Meningitis
- Migraine
- Multiple sclerosis
- Myasthenia gravis
- Narcolepsy
- Neurocysticercosis
- Normal pressure hydrocephalus
- Parkinson's disease
- Peripheral neuropathy
- Phenylketonuria (PKU)
- Poisoning & overdose
- Post-traumatic stress disorder
- Postnatal depression
- Postpartum psychosis
- Rabies
- Restless legs syndrome
- Roseola (sixth disease)
- Schizophrenia
- Self-harm and suicidal crisis
- Shingles (herpes zoster)
- Subdural haematoma
- Substance use disorder
- Sudden infant death syndrome
- Tension-type headache
- Tetanus
- Thrombotic thrombocytopenic purpura (TTP)
- Tick-borne encephalitis
- Tics and Tourette syndrome
- Toxoplasmosis & CMV
- Transient ischaemic attack
- Traumatic brain injury (moderate to severe)
- Trigeminal neuralgia
- Tuberous sclerosis complex
- Vascular dementia
- Vestibular schwannoma (acoustic neuroma)
- Vitamin B1, C and other deficiencies