Domains covered by 162 FreeSurfer subfields studies published between 2013 and 2019. Ten studies performed on patient groups with a genetic analysis included (see Supplemental Table 1, domain/subdomain “genetics”) were counted double to avoid under‐representation of genetic studies, that is, the pie chart contains a total of 172 entries. The following additional aggregations were made: major depressive disorder (MDD) and bipolar disorder (21 and 6 studies) were pooled; single neurological (8), single psychiatric studies (5) and one study on perceived stress were pooled to a category “other (single studies)”; studies on epilepsy (10) and encephalitis (5) were pooled. AD, Alzheimer's disease; FTD, frontotemporal dementia; LBD, Lewy body disease; MCI, mild cognitive impairment; PTSD, posttraumatic stress disorders; SCD, subjective cognitive deficits