The structural plasticity of dendritic spines is considered to be needed for various types of synaptic plasticity, memory and learning. (~0.1 m in size and ~0.5 m in length). The neck functions as a diffusional barrier and an electrical resistance, isolating the spine head biochemically (Bloodgood and Sabatini, 2005; Svoboda et al., 1996) and electrically… Continue reading The structural plasticity of dendritic spines is considered to be needed