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. 2009 May 27;102(2):941–952. doi: 10.1152/jn.00222.2009

FIG. 5.

FIG. 5.

Effects of atropine applied to the ICc (A) and of muscimol applied to the primary auditory cortex (AI) (B) or somatosensory cortex (SI) (C) on the nonspecific augmentation and BF shift of collicular neurons elicited by p-cond. Atropine (Atr) and muscimol (Mus) were homolaterally applied to the ICc or AI, respectively, whereas muscimol was bilaterally applied to SI. The BFs of the 3 different collicular neurons (A–C) were 22.0, 21.0, and 25.0 kHz (vertical dotted lines). The arrows along the frequency axes indicate the frequencies of the CSu, which were 5.0 kHz lower than the BFs of the recorded neurons. In each column, 1–4 show the receptive fields obtained before (1), 30 (2), 60 (3), and 180 min after (4) the onset of the p-cond. See Fig. 1 legend for the key.