Abstract：Depression is a common and acute mental disease and cognitive impairment is one of the core symptoms of depression, which greatly affects the daily life of patients and imposes a heavy burden on the family and the society. However, effective rehabilitation methods for cognitive impairment in depression are still lacking, the relevant neural mechanism remains unclear, and therapeutic effects vary greatly from individual to individual. Electroencephalogram (EEG) neurofeedback has attracted more and more attention because it is safe, non-invasive, and without side effects. This paper reviewed the EEG features of cognitive impairment in depression, introduced existing EEG neurofeedback training studies based on these features, and discussed the current problems and future development. With the rapid development of neurofeedback techniques and a deep understanding of the underlying mechanisms, EEG neurofeedback has the potential to be a useful tool in cognitive rehabilitation of depression.
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