Moreover, making definitive conclusions about whether there is a relation between an increased level of BDNF after ECT and schizophrenia improvement was impossible due to a lack of complete Positive and Negative Syndrome Scale (PANSS) results or because other scales, e.g., Brief Psychiatric Rating Scale (BPRS) and Clinical Global Impression Severity scale (CGIs), [21] were used. The gene discussed is BDNF; the disease is schizophrenia.