Accumulation of Polyribosomes in Dendritic Spine Heads, But Not Bases and Necks, during Memory Consolidation Depends on Cap-Dependent Translation Initiation. - Ostroff LE; Botsford B; Gindina S; Cowansage KK; LeDoux JE; Klann E; Hoeffer C (The Journal of neuroscience : the official journal of the Society for Neuroscience, 2017)