Narcolepsy is a rapid eye movement (REM) sleep disorder that results in excessive sleepiness and “attacks” of sleep accompanied by rapid eye movements.

Temporohyoid Osteoarthropathy (THO)

Temporohyoid osteoarthopathy (THO) results in bone thickening and fusion of the temporohyoid joint to the skull, potentially causing pain and nerve deficits.


Shivers is a progressive neurologic disease classically characterized by an abnormal gait when backing up.

Juvenile Idiopathic Epilepsy (JIE)

Juvenile idiopathic epilepsy (JIE) is an inherited disease in some Arabian foals of Egyptian lineage characterized by recurrent seizures, which are due to abnormal electrical activity of the brain.

Trigeminal-mediated Headshaking

Trigeminal-mediated headshaking is characterized by uncontrollable shaking, flicking, or jerking of the head, sometimes violently, without any apparent cause.

Cervical Vertebral Compressive Myelopathy (CVCM)

Cervical vertebral compressive myelopathy (CVCM or CVM) is a developmental defect of the vertebrae in the neck that leads to compression of the spinal cord and damage to spinal cord tracts.

Venezuelan Equine Encephalitis (VEE)

Venezuelan equine encephalitis (VEE) is a viral, vector-borne disease in horses and humans that causes inflammation of the brain.