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Fig. 3 | Fluids and Barriers of the CNS

Fig. 3

From: Corticospinal excitability in idiopathic normal pressure hydrocephalus: a transcranial magnetic stimulation study

Fig. 3

Input–output curves before and after lumbar puncture with cerebrospinal fluid (CSF) drainage. The slope of the input–output curve steepened in the TT+ subgroup after CSF drainage. *Significant difference, p = 0.028, Wilcoxon signed-rank test. MEP motor evoked potential, MSO maximum stimulator output. Pre-LP before lumbar puncture, Post-LP after lumbar puncture, TT+ patients who improved at least 10% in the TAP test, TT− patients who improved under 10% in the TAP test

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