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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Dev Neurobiol. 2015 Jun 12;76(3):252–261. doi: 10.1002/dneu.22311

Figure 3. Boutons existed for weeks showed higher stability than those newly formed.

Figure 3

(A) Axonal boutons formed within the previous week and pre-existing boutons were identified. The survival rates of pre-existing and newly formed spines were measured over the next 2–3 weeks. Boutons pre-existed for more than one-week showed a significantly higher survival rate than those formed during the previous week (P < 0.05). (B) Boutons existed for at least one month showed a significantly higher survival rate during the next five months than those formed over the previous month. Data are presented as mean ± S.E.M. * P < 0.05.