Figure 11.

Proposed match between the preferred theta phase classes seen in freely moving rats and those seen in urethane-anesthetized rats; the color code for phase class is the same as in Figure 7. The phase coordinate is 0° at 3:00 and increases counterclockwise. Theta phase classes in freely moving rats are indicated with solid lines; the urethane classes are indicated with dashed lines. The angle subtended by each of the colored sectors reflects the dispersion of the distribution for the corresponding phase preference class in freely moving rats. The urethane theta phase classes are as follows: bistratified, oriens/lacunosum-moleculare (O-LM), cholecystokinin-expressing (CCK), axo-axonic, and parvalbumin basket cells.