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. 2010 May 26;30(21):7168–7178. doi: 10.1523/JNEUROSCI.1067-10.2010

Figure 6.

Figure 6.

Arc/Arg3.1 KOs display partial impairment of developmental decrease in mEPSC amplitude in L2/3 visual cortex. A, In normal-reared WTs, a developmental decrease in mEPSC amplitude is accompanied by a developmental increase in mEPSC frequency. Left, Comparison of mEPSC amplitude of P11 and P23 WT (the P23 data are duplicated from Fig. 4A for comparison). A developmental decrease in mEPSC amplitude between P11 and P23 of WT is not multiplicative [K–S test for P23 vs P11scaled (mEPSCs of P11 multiplied by 0.8), p < 0.0001]. P23, Black solid line; P11, gray solid line; P11scaled, black dashed line. Middle, Average mEPSC traces from P11 and P23 WT. Right, A developmental increase in mEPSC frequency. Open circles, mEPSC frequency of individual cells; black circles, average mEPSC frequency for each group with error bars. **p < 0.0002, t test. B, In normal-reared Arc/Arg3.1 KOs, mEPSC amplitude at P11 is significantly larger than P23, which is accompanied by an increase in mEPSC frequency. Left, mEPSC amplitude comparison between P11 and P23 KO (the P23 data are duplicated from Fig. 4A for comparison). A non-multiplicative decrease in mEPSC amplitude during development of KO [K–S test P23 vs P11scaled (=P11 × 0.8), p < 0.002]. P23, Black solid line; P11, gray solid line; P11scaled, black dashed line. Middle, Average mEPSC traces from P11 and P23 KO. Right, A developmental increase in mEPSC frequency. Open circles, mEPSC frequency of individual cells; black circles, average mEPSC frequency for each group with error bars. **p < 0.001, t test.