By clicking on the “Summary” tab, the user can access most relevant information about the created optodes arrangement. As illustrated in Fig. 8, the information is summarized in three different sub-tabs: (i) Landmarks, (ii) Channels, and (iii) Sources and Detectors. The first presents information of all channels generated for a given landmark of interest, similar as shown in Table 3. ‘Channels’ will display a table with formed channels and list of landmarks covered by each of them, similar as in Table 2. The last tab (‘Sources and Detectors’) presents a list of sources and detectors required and sorted by the number of channels formed.Figure 8Illustration of further tabs available under “Summary”. ‘Landmarks’ (top), ‘Channels’ (center) and ‘Sources and Detectors’ (bottom), each of them presenting tables with summarized information about the fNIRS optode layout designed.