TO THE EDITOR: We read with great interest the recent article by Lehner et al. 5 (Lehner KR, Yeagle EM, Argyelan M, et al: Validation of corpus callosotomy afte r laser interstitial thermal therapy: a multimodal approach. J Neurosurg[epub ahead of print November 16, 2018. DOI: 10.3171/2018.4. JNS172588]), discussing corpus callosotomy performed by laser interstitial thermal therapy (LITT) in a small cohort of 5 patients in the context of a multimodal approach. The authors additionally used resting-state functional MRI (rs-fMRI) to
