Figure 2.

Optical imaging of functional organization in the awake and trained monkey. Sum of 52 trials. (a) Blood vessel map of imaged area (see yellow outline in Fig. 1). (b) Horizontal single-condition map (subtracting images acquired during end of stimulus period from beginning), generated from presentation of horizontal drifting lines. (c) Vertical single-condition map generated from presentation of vertical drifting lines. (d) Horizontal (dark) vs. vertical (light) differential map; low-passed. (Scale bar = 1 mm.)