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33. Costalunga G, Kobylkov D, Rosa-Salva O, Morandi-Raikova A, Vallortigara G, Mayer U (in press). Responses in the left and right entopallium are differently affected by light stimulation in embry. iScience 

32. Morandi-Raikova A, Rosa-Salva O, Simdianova A, Vallortigara G, Mayer U (2024). Hierarchical processing of feature, egocentric and relational information for spatial orientation in domestic chicks. Journal of Experimental Biology. DOI:10.1242/jeb.246447 


31. Protti-Sanchez F, Mayer U, Rowland HM  (2023). In paired preference tests, domestic chicks innately choose the colour green over red, and the shape of a frog over a sphere when both stimuli are green. Animal Cognition. DOI:10.1007/s10071-023-01821-x


30. Morandi-Raikova A, Mayer U (2022). Spatial cognition and the avian hippocampus: Research in domestic chicks. Frontiers in Psychology. 13, 1-13 DOI:10.3389/fpsyg.2022.1005726

29. Kobylkov D, Mayer U, Zanon M, Vallortigara G (2022). Number neurons in the nidopallium of young domestic chicks. Proceedings of the National Academy of Sciences.   119 (32)  e2201039119.  DOI: 10.1073/pnas.2201039119

28. Morandi-Raikova A, Mayer U (2022). Active exploration of an environment drives the activation of the anterior hippocampus of domestic chicks. Journal of Experimental Biology. jeb.244190. DOI: 10.1242/jeb.244190

27. Protti-Sanchez F, Corrales-Parada CD, *Mayer U, *Rowland HM (2022). Activation of the Nucleus Taeniae of the Amygdala by Umami Taste in Domestic Chicks (Gallus gallus). Frontiers in Physiology.  13, 897931. DOI: 10.3389/fphys.2022.897931
* These authors share last authorship

26. Costalunga G, Kobylkov D, Rosa-Salva O, Vallortigara G, Mayer U (2022). Light-incubation effects on lateralization of single unit responses in the visual Wulst of domestic chick . Brain Structure and Function. 227, 497–513. DOI: 10.1007/s00429-021-02259-y


25. Morandi-Raikova A, Danieli K, Lorenzi E, Rosa Salva O, Mayer U (2021). Anatomical asymmetries in the tectofugal pathway of dark-incubated domestic chicks: rightwards lateralization of parvalbumin neurons in the entopallium. Laterality. 26(1-2):163-185. DOI: 10.1080/1357650X.2021.1873357

24. Rosa Salva O, Mayer U, Versace E, Hebert M, Lemaire BS, Vallortigara G (2021). Sensitive periods for social development: Interactions between predisposed and learned mechanisms (Gallus gallus). Cognition. 213:10455. DOI: 10.1016/j.cognition.2020.104552

23. Morandi-Raikova A, Mayer U (2021).
Selective activation of the right hippocampus during navigation by spatial cues in domestic chicks (Gallus gallus). Neurobiology of Learning and Memory. 177:107344. DOI: 10.1016/j.nlm.2020.107344

22. Corrales-Parada CD, Morandi-Raikova A, Rosa-Salva O, Mayer U (2021). Neural basis of unfamiliar conspecific recognition in domestic chicks (Gallus gallus domesticus). Behavioural Brain Research. 397:112927. DOI:10.1016/j.bbr.2020.112927


21. Morandi-Raikova A, Mayer U (2020). The effect of monocular occlusion on hippocampal c-Fos expression in domestic chicks (Gallus gallus). Scientific Reports. 10:7205. DOI: 10.1038/s41598-020-64224-9

Morandi-Raikova A, Vallortigara G, Mayer U (2020). The use of spatial and local cues for orientation in domestic chicks (Gallus gallus). Animal Cognition. 23, 367–387.


19. *Rosa-Salva O, *Mayer U, Vallortigara G (2019). Unlearned visual preferences for the head region in domestic chicks. PLOS One. 14(9): e0222079
* These authors contributed equally to this work

Mayer U, Rosa-Salva O, Loveland JL, Vallortigara G (2019). Selective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks. Scientific Reports. 9:9849: DOI: 10.1038/s41598-019-46322-5

17. Lorenzi E, Mayer U, Rosa-Salva O, Morandi-Raikova A,
Vallortigara G (2019).Spontaneous and light-induced lateralization of immediate early genes expression in domestic chicks. Behavioural Brain Research.  368: DOI: 10.1016/j.bbr.2019.111905

16. Golücke S, Bischof HJ, Engelmann J,
*Caspers B, *Mayer U (2019).Social odour activates the hippocampal formation in zebra finches (Taeniopygia guttata). Behavioural Brain Research.  364: 41-49
* Joint last authorship


15. *Krause ET, *Bischof HJ, *Engel K, *Golüke S, *Maraci Ö, *Mayer U, *Sauer J, *Caspers BA (2018). Olfaction in the zebra finch (Taeniopygia guttata): What is known and further perspectives.  In Advances of the Study of Behavior.
Volume 50. (ed.  Marc Naguib, Louise Barrett, Susan D. Healy, Jeffrey Podos, Leigh W. Simmons and Marlene Zuk), pp 37-85, Academic Press.
* All authors contributed equally

14. Mayer U, Bhushan R, Vallortigara G, Lee SA (2018). Representation of environmental shape in the hippocampal formation of domestic chicks (Gallus gallus). Brain Structure and Function. 223: 941-953


13. Lorenzi E, Mayer U, Rosa Salva O, Vallortigara G (2017).Dynamic features of animate motion activate septal and preoptic areas in visually naïve chicks (Gallus gallus). Neuroscience. 354:54-68

12. *Di Giorgio E, *Loveland JL, *Mayer U, *Rosa-Salva O, *Versace E, Vallortigara G (2017). Filial responses as predisposed and learned preferences: Early attachment in chicks and babies. Behavioural Brain Research. 325:90-104. 
* These authors contributed equally to this work and are listed in alphabetical order

11. Mayer U, Rosa Salva O, Morbioli F, Vallortigara G (2017). The motion of an alive conspecific activates septal and preoptic areas in naive domestic chicks (Gallus gallus). European Journal of Neuroscience. 45(3):423-432

10. Mayer U, Rosa Salva O, Vallortigara G (2017). First exposure to an alive conspecific activates septal and amygdaloid nuclei in visually-naïve domestic chicks (Gallus gallus). Behavioural Brain Research. 317:71-81


9. Mayer U, Rosa Salva O, Lorenzi E, Vallortigara G (2016). Social predisposition dependent neuronal activity in the intermediate medial mesopallium of domestic chicks (Gallus gallus domesticus).Behavioural Brain Research 310: 93-102.

8. *Bischof HJ, *Eckmeier D, *Keary N, *Löwel S, *Mayer U,*Michael N (2016). Multiple Visual Field Representations in the Visual Wulst of a Laterally Eyed Bird, the Zebra Finch (Taeniopygia guttata). PLOS One 11(5): e0154927.
* All authors contributed equally to this work and are listed in alphabetical order

7. Mayer U, Pecchia T, Bingman VP, Flore M, Vallortigara G (2016). Hippocampus and medial striatum dissociation during goal navigation by geometry or features in the domestic chick: an immediate early gene study. Hippocampus 26(1):27-40.


6. Rosa Salva O, Mayer U, Vallortigara G (2015). Roots of a social brain: developmental models of emerging animacy-detection mechanisms. Neuroscience & Biobehavioral Reviews 50:150-68.

5. Mayer U, Watanabe S, Bischof HJ (2013). Spatial memory and the avian hippocampus: research in zebra finches. Journal of Physiology – Paris 107 (1-2): 2-12.

4. Mayer U, Bischof HJ (2012). Brain activation pattern depends on the strategy chosen by zebra finches to solve an orientation task. The Journal of Experimental Biology 215: 426-434.

3. Watanabe S, Mayer U, Bischof HJ (2011). Visual wulst analyses "where" and entopallium analyses "what" in zebra finch visual system. Behavioural Brain Research 222(1):51-56.

2. Mayer U, Watanabe S, Bischof HJ (2010). Hippocampal activation of immediate early genes zenk and c-Fos in zebra finches (Taeniopygia guttata) during learning and recall of a spatial memory task. Neurobiology of Learning and Memory 93(3):322-9.

1. Watanabe S, Mayer U, Bischof HJ (2008). Pattern discrimination is affected by entopallial but not by hippocampal lesions in zebra finches. Behavioural Brain Research 190: 201-205.