Electrical micro-stimulation of the SC in two head-free (non-immobilized) monkeys evoked natural-looking, eye-head gaze shifts, with anterior sites producing small, fixed-vector movements and ...

A teacher or two strode by; my eyes locked with one, and there was a moment's half-buried recognition, before he broke the gaze and vanished in shadow. He seemed absurdly old, grey. Most of the ...