Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Sensorimotor Rhythm(also: SMR, Sensorimotor Cortical Rhythm)
- Oscillatory electrical brain activity recorded over the sensorimotor cortex, the brain region responsible for planning and executing voluntary movements. Sensorimotor rhythms include mu rhythms (8-12 Hz) and beta rhythms (18-26 Hz), which change in amplitude when a person…
- Sensory Compensation(also: Cross-Modal Plasticity, Sensory Substitution)
- The phenomenon whereby the loss of one sense leads to enhanced abilities in remaining senses, driven by neuro-plasticity — the brain's capacity to reorganise its neural pathways. Research shows that blind individuals, particularly those blind from birth or early childhood,…
- Slow Cortical Potential(also: SCP, Slow Cortical Potentials)
- Gradual voltage shifts in the electrical activity of the brain, occurring over periods of several hundred milliseconds to several seconds. Slow cortical potentials reflect changes in the overall excitability level of cortical neural networks — negative shifts indicate increased…
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