Charles Scott Sherrington

Charles Scott Sherrington was an English neurophysiologist whose experiments on reflexes and interactions among neurons helped establish modern neuroscience. He shared the 1932 Nobel Prize in Physiology or Medicine.

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Reflex arc: A neural pathway in which sensory input produces a response through connections in the nervous system. Sherrington investigated how pathways linking sensory input to movement organize reflexes.
Reciprocal inhibition: A spinal-circuit pattern in which activation of one muscle group suppresses its opposing group. Sherrington demonstrated this coordination between contracting muscles and their antagonists.
John Newport Langley: An English physiologist who studied the autonomic nervous system and developed the concept of the autonomic nervous system’s receptor sites. Langley’s work on autonomic control formed a closely related strand of contemporary neurophysiology.
Neurological examination: A clinical assessment of nervous-system function using tests of movement, sensation, reflexes, and cognition. Reflex testing applies the kinds of organized responses Sherrington analyzed experimentally.
Integrative action of the nervous system: Sherrington’s framework describing how the nervous system combines inputs to coordinate purposeful responses. This phrase names the central synthesis of his research on reflexes and neural interaction.
Synapse: A junction where a neuron communicates with another cell, usually by chemical or electrical signals. Sherrington popularized this name for the junctions he proposed between neurons.
Stretch reflex: A muscle contraction triggered when the muscle is stretched, helping maintain posture and muscle length. Its spinal organization became a central example in Sherrington’s studies of reflex action.
Rudolf Virchow: A German physician and pathologist whose cellular theory shaped modern biology and medicine. Debates over whether nervous tissue was continuous or cellular framed Sherrington’s synaptic account.
Muscle tone: The continuous, low-level tension in muscles that supports posture and readiness for movement. Sherrington’s studies connected spinal reflex circuits with the maintenance of posture and tone.
Nobel Prize in Physiology or Medicine: An annual international award recognizing major discoveries in physiology or medicine. Sherrington shared the 1932 prize with Edgar Adrian for discoveries concerning nervous-system functions.