1Fuchs E, Kramer M, Hermes B, Netter P, Hiemke C (1996) Psychosocial stress in tree shrews: clomipramine counteracts behavioral and endocrine changes. Pharmacol Biochem Behav 54: 219-28.

2Kramer M, Hiemke C, Fuchs E (1999) Chronic psychosocial stress and antidepressant treatment in tree shrews: time-dependent behavioral and endocrine effects. Neurosci Biobehav Rev 23: 937-47.

3Lupien SJ, McEwen BS, Gunnar MR, Heim C (2009) Effects of stress throughout the lifespan on the brain, behaviour and cognition. Nat Rev Neurosci 10: 434-45.

4Numa C, Nagai H, Taniguchi M, Nagai M, Shinohara R, et al. (2019) Social defeat stress-specific increase in c-Fos expression in the extended amygdala in mice: Involvement of dopamine D1 receptor in the medial prefrontal cortex. Sci Rep 9: 16670.

5 Popoli M, Yan Z, McEwen BS, Sanacora G (2011) The stressed synapse: the impact of stress and glucocorticoids on glutamate transmission. Nat Rev Neurosci 13: 22-37.

6Mccarty RJP (2017) Optimizing laboratory animal stress paradigms: The H-H* experimental design. Psychoneuroendocrinology 75: 5-14.

7Fan Y, Yu DD, Yao YG (2014) Tree shrew database (TreeshrewDB): a genomic knowledge base for the Chinese tree shrew. Scientific Reports 4: 1426.

8Magarinos AM, McEwen BS, Flugge G, Fuchs E (1996)Chronic psychosocial stress causes apical dendritic atrophy of hippocampal CA3 pyramidal neurons in subordinate tree shrews. J Neurosci 16: 3534-40.

9Wang J, Xu XL, Ding ZY, Mao RR, Zhou QX, et al. (2013) Basal physiological parameters in domesticated tree shrews (Tupaia belangeri chinensis). Dongwuxue Yanjiu 34: E69-74.

10Wang J, Zhou QX, Tian M, Yang YX, Xu L (2011) Tree shrew models: a chronic social defeat model of depression and a one-trial captive conditioning model of learning and memory. Dongwuxue Yanjiu 32: 24-30.

11Wang J, Chai AP, Zhou QX, Longbao LV, Wang L, et al. (2013) Chronic Clomipramine Treatment Reverses Core Symptom of Depression in Subordinate Tree Shrews. Plos One 8: e80980.

12Czeh, B, Fuchs E, Wiborg O, Simon M (2016) Animal models of major depression and their clinical implications. Prog Neuropsychopharmacol Biol Psychiatry 64: 293-310.

13Mineur YS, Belzung C, Crusio WE (2006) Effects of unpredictable chronic mild stress on anxiety and depression-like behavior in mice. Behav Brain Res 175: 43-50.

14Zimprich A, Garrett L, Deussing JM, Wotjak CT, Fuchs H, et al. (2014) A robust and reliable non-invasive test for stress responsivity in mice. Front Behav Neurosci 8: 125.

15Hollis F, Isgor C, Kabbaj M (2013) The consequences of adolescent chronic unpredictable stress exposure on brain and behavior. Neurosci 249: 232-41.

16Porsolt RD (1979) Animal model of depression. J Biomedicine 30: 139-40.

17Abas MJBR, Therapy (1995) Handbook of affective disorders (2nd Edn) Churchill Livingstone, Edinburgh, England.

18Gonzalez MM, Aston-Jones G (2008) Light deprivation damages monoamine neurons and produces a depressive behavioral phenotype in rats. Proc Natl Acad Sci USA 105: 4898-903.

19Willner PJP (1997) Validity, reliability and utility of the chronic mild stress model of depression: a 10-year review and evaluation. Psychopharmacol 134: 319-29.

20Prut L, Belzung C (2003) The open field as a paradigm to measure the effects of drugs on anxiety-like behaviors: a review. Eur J Pharmacol 463: 3-33.

21Ramos A (2008) Animal models of anxiety: do I need multiple tests 29: 493-8.

22Berk RAJAJO (1979) Generalizability of behavioral observations: a clarification of interobserver agreement and interobserver reliability. Am J Ment Defic 83: 460-72.

23Watkins MW, Pacheco MJ (2000) Interobserver Agreement in Behavioral Research: Importance and Calculation. J Behav Educ 10: 205-12.