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. Author manuscript; available in PMC: 2020 Oct 1.
Published in final edited form as: Epilepsy Res. 2019 Apr 27;156:106131. doi: 10.1016/j.eplepsyres.2019.04.011

Table 2.

Locations of epidural and intracerebral electrodes for the three sites.

Centre How long after FPI? Electrode Type C3 C4 O1 O2 Electrode Type A1, A3 H1, H3 Po1, Po3
UEF After the righting reflex returned and 5 months after FPI Stainless steel epidural screw (EM12/20/SPC, Plastics One Inc.) Ipsilateral Frontoparietal (AP: −1.7; ML: −2.5) Contralateral Frontoparietal (AP: 1.7; ML: −2.5) Ipsilateral Occipital (AP: −7. 6; ML: left 2.5) Contralateral Occipital (AP: −7.6; ML: right 2.5) Bipolar intracerebral tungsten .002" twisted electrode (EM12 T/5–2TW/SP, Plastics One Inc.) Ipsilateral anterior intracortical (AP: −1.72; ML: −4.0; DV: −1.8) Ipsilateral intrahippocampal (AP: −3.0; ML: −1.4; DV: −3.6) Ipsilateral posterior intracortical (AP: −7.56; ML: −2.5; DV: −1.75)
Melbourne 24 h and 5 months after FPI Stainless steel epidural screw (EM12/20/SPC, Plastics One Inc.) Ipsilateral Frontoparietal (AP: −1.7; ML: −2.5) Contralateral Frontoparietal (AP: 1.7; ML: −2.5) Ipsilateral Occipital (AP: −7. 6; ML: left 2.5) Contralateral Occipital (AP: −7.6; ML: right 2.5) Bipolar intracerebral tungsten .002" twisted electrode (EM12 T/5–2TW/SP, Plastics One Inc.) Ipsilateral anterior intracortical (AP: −1.72; ML: −4.0; DV: −1.8) Ipsilateral intrahippocampal (AP: −3.0; ML: −1.4; DV: −3.6) Ipsilateral posterior intracortical (AP: −7.56; ML: −2.5; DV: −1.75)
UCLA After the righting reflex returned and 5 months after FPI Stainless steel epidural screw (F000CE096, J.I. MORRIS CO) Ipsilateral Frontoparietal (AP: −1.72; ML: left 2.5) Contralateral Frontoparietal (AP: 1.72; ML: right 2.5) Ipsilateral Occipital (AP: −7.56; ML: left 2.5) Contralateral Occipital (AP: −7.56; ML: right 2.5) Bipolar intracerebral tungsten .002" twisted electrode (EM12 T/5–2TW/SP, Plastics One Inc.) Ipsilateral anterior intracortical (AP: −1.72; ML: −4.0; DV: −1.8) Ipsilateral intrahippocampal (AP: −3.0; ML: −1.4; DV: −3.6) Ipsilateral posterior intracortical (AP: −7.56; ML: −2.5; DV: −1.75))

Abbreviations: AP, Anterior – Posterior. ML, Medial – Lateral. DV, Dorsal – Ventral. FPI – Fluid percussion injury. For specific aim 2, bipolar tungsten EEG electrodes coordinates were adjusted using MRI.