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. Author manuscript; available in PMC: 2015 Nov 19.
Published in final edited form as: Annu Rev Neurosci. 2015 Apr 9;38:195–219. doi: 10.1146/annurev-neuro-071714-034002

Figure 2.

Figure 2

Development of cortical excitatory-inhibitory balance. (a) Balanced tone-evoked excitation and inhibition in adult rat primary auditory cortex. (Top) Frequency tuning curves for excitatory and inhibitory conductances. (Bottom) Excitation and inhibition were highly correlated (linear correlation coefficient r = 0.87). (b) Imbalanced excitatory and inhibitory frequency tuning in auditory cortex early in development. Whole-cell recording from a young [postnatal day 14 (P14)] rat (r = −0.01). Adapted from Dorrn et al. (2010). Abbreviation: nS, sanosiemens.