Relating to or producing excitation, especially in neuroscience where it describes signals that increase the likelihood of a neuron firing.
From Latin 'excitare' + '-ory' (suffix indicating relationship or function). The '-ory' suffix comes from Latin and denotes a relation to something. Heavily used in modern neuroscience.
In neuroscience, 'excitatory' is paired with 'inhibitory'—your brain's signals are either trying to fire neurons or prevent them from firing. This simple word describes one of the most fundamental processes in your mind!
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