Effect of Chronic Morphine Consumption on Synaptic Plasticity of Rat’s Hippocampus: A Transmission Electron Microscopy Study

Table 3

Changes in thickness of postsynaptic density (nm) in the studied groups.

Groups	𝑁	𝑋	SD	SE	95% Confidence Interval	𝐹	𝑃
Morphine	8	4.37	1.6	0.565	3–5.7
Placebo (Sucrose)	8	1.5	0.53	0.189	1–1.9	20.37	𝑃 < 0.001
Control	8	1.37	0.74	0.263	0.75–2