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Krembil Neuroscience Centre (KNC)
A to Z Glossary - S
Overview List of Clinics A - Z Glossary Maps and Directions KNC Team Information for Health Professionals Research Initiatives and Innovations Media Room
This is not an exhaustive list, but includes some of the terminology commonly used in the assessment and treatment of neurological disorders.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Sacculocolic reflex test
Tests a person’s perception of gravity.
Sciatica
A lay term indicating pain along the course of a sciatic nerve, especially noted in the back of the thigh and below the knee.
Scleral coil search study
Measures eye movements more accurately than any means available.
Scoliosis
A congenital lateral curvature of the spine.
Seizures
Involuntary movements or convulsions.
Simple partial seizure
A seizure in which a person experiences a range of strange or unusual sensations, such as sudden jerky movements of one body part, distortions in sight or smell, a sudden sense of fear or anxiety, stomach discomfort, or dizziness.
Sleep disorders
Sleep disorders involve any difficulties related to sleeping, including difficulty falling or staying asleep, falling asleep at inappropriate times, excessive total sleep time, or abnormal behaviors associated with sleep.
Spine Stenosis
Reduction in the diameter of the Spine canal due to new bone formation which may result in pressure on the Spine cord or nerve roots.
Spine Fusion
A surgical procedure to permanently join bone by interconnecting two or more vertebrae in order to prevent motion.
Spine Cord
The longitudinal cord of nerve tissue that is enclosed in the Spine canal. It serves not only as a pathway for nervous impulses to and from the brain, but as a centre for carrying out and coordinating many reflex actions independently of the brain. View a Spine Map.
Spondylolithesis
The slippage of a vertebra in relation to adjacent vertebra.
Spondylitis
Inflammation of vertebrae.
Spondylosis
Degenerative changes that occur in the vertebrae at the articulation points (for example, arthritis of the spine)
Stroke
A sudden loss of brain function. It is caused by the interruption of flow of blood to the brain (ischemic stroke) or the rupture of blood vessels in the brain (hemorrhagic stroke).
Syringomyelia
Fluid filled cavity within the Spine cord.
