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  1. ↑ Husain, Masud; Roiser, Jonathan P. (26 tháng 6 năm 2018). “Neuroscience of apathy and anhedonia: a transdiagnostic approach”. Nature Reviews Neuroscience 19 (8): 470–484. PMID 29946157. doi:10.1038/s41583-018-0029-9. 
  2. ↑ Nobis, Lisa; Husain, Masud (2018). “Apathy in Alzheimer's disease”. Current Opinion in Behavioral Sciences 22: 7–13. PMC 6095925. PMID 30123816. doi:10.1016/j.cobeha.2017.12.007. 
  3. ↑ Bortolon, C.; Macgregor, A.; Capdevielle, D.; Raffard, S. (2018). “Apathy in schizophrenia: A review of neuropsychological and neuroanatomical studies.”. Neuropsychologia 118 (Pt B): 22–33. PMID 28966139. doi:10.1016/j.neuropsychologia.2017.09.033.