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. 2001 Jul 24;98(16):9386–9390. doi: 10.1073/pnas.161274398

Figure 2.

Figure 2

Short-term (<30 min) comparison of discharge frequency of individual pyramidal cells during different behavioral states. (Left) Relationship between firing rates of wheel cells and non-wheel cells during running in wheel and walking in box (theta behaviors) and drinking/immobility (non-theta). (Right) Relationship between firing rates during REM and SWS. The high correlation of firing rates across different stages of sleep indicates that similar cell assemblies are being activated in both SWS and REM sleep.