Flore Lormant's research while affiliated with University of Tours and other places
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Publications (10)
Chronic stress and the gut microbiota appear to comprise a feed-forward loop, which contributes to the development of depressive disorders. Evidence suggests that memory can also be impaired by either chronic stress or microbiota imbalance. However, it remains to be established whether these could be a part of an integrated loop model and be respon...
Chronic stress and the gut microbiota appear to comprise a feed-forward loop, which contributes to the development of depressive disorders. Evidence suggests that memory can also be impaired by either chronic stress or microbiota imbalance. However, it remains to be established whether these could be a part of an integrated loop model and be respon...
Chronic stress profoundly affects forms of declarative memory, such as spatial memory, while it may spare non-declarative memory, such as cue-based memory. It is known, however, that the effects of chronic stress on memory systems may vary according to the level of training of an individual was submitted. Here, we investigated, in birds, how chroni...
It is now well-accepted that memory is a dynamic process, and that stress and training level may influence which memory system an individual engages when solving a task. In this work, we investigated whether and how chronic stress impacts spatial and cue-based memories according to training level. To that aim, control and chronically stressed Japan...
Chronic stress is a strong modulator of cognitive processes, such as learning and memory. There is, however, great within-individual variation in how an animal perceives and reacts to stressors. These differences in coping with stress modulate the development of stress-induced memory alterations. The present study investigated whether and how chron...
Animals can navigate an environment relying on different sources of information, such as geometrical or featural cues. The favoring of one type of information over another depends on multiple factors, such as inter-individual differences in behavior and cognition. Free-range chickens present different range use patterns, which may be explained by b...
The Japanese quail is a powerful model to characterize behavioral, physiological, and neurobiological processes in Galliformes. Behavioral tests have already been adapted for quail to assess memory systems, but despite the pivotal role of the hippocampus in this cognitive process, its involvement in spatial memory has not been demonstrated in this...
Inferring what others witnessed provides important benefits in social contexts, but evidence remains scarce in nonhuman animals. We investigated this ability in domestic horses by testing whether they could discriminate between two experimenters who differed in what they previously witnessed and decide whom to solicit when confronted with an unreac...
Recent studies provided evidence that a personality trait such as a trait for a high or a low emotionality can either promotes or impairs learning and memory performances. This variability can be partly explained because this trait may have opposite effect on memory performances depending on the memory system involved. The present study investigate...
Citations
... At the genus level, the level of Alipipes in the HS group was significantly higher than in the NHS group. Studies have shown that the adverse effects of cecal flora on host memory in chronic stress may be related to Alipipes (61). It can be seen from α diversity that the chao1 index of the HS group is higher than that of the NHS group. ...
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... Cognitive and behavioral tests. All following procedures, including the use of dedicated test arenas were previously validated by our group in both chicken and quail 24,26,[31][32][33][34][35] . ...
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... More precisely, we investigated the effects of exposure to LP (16 h light/day) and SP (8 h light/day) on learning, spatial orientation abilities, and emotional reactivity in different behavioral tests (open field, mirror, and emergence tests). Since hippocampal neurogenesis is involved in learning and spatial orientation [22][23][24][25] and appears to be sensitive to photoperiod, we also tested the impact of photoperiod on hippocampal neurogenesis in some of these birds. We predicted that, similar to what was found for the marsh and great tits 13,14 , exposing quail to SP would increase their learning and spatial orientation abilities. ...
... Personality traits are defined by behaviours that show within-individual consistency over time and across contexts or situations but that differ between individuals of the same species (Carere and Maestripieri, 2013). Behavioural assessments of the slow-growing S757N strain have revealed that in addition to range use potentiality to be a personality trait, social motivation and foraging evaluated before range access could also be behaviours correlated with range use (Ferreira et al., 2019(Ferreira et al., , 2020(Ferreira et al., , 2022. ...
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... Previous electrophysiological and lesion studies in birds suggested that the anterior Hp is involved in spatial representation and spatial cognition (21,31,37). Therefore, in this study we searched for spatial coding in the anterior Hp and in the neighboring posterior region of the hyperpallium apicale (HA p ). ...
... Horses (Equus caballus) have advanced social cognition abilities, especially in relation to their interaction with humans [e.g., [1][2][3][4][5][6][7][8] ]. Individual recognition is important in social interactions, and horses are able to discriminate between humans based on visual or vocal cues, similar to many other domesticated species, such as cats, cows, dogs, horses, pigs and sheep 9 . ...
Reference: Horses cross-modally recognize women and men
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... Dyeing, using a dye applied either on the rabbit's head, forequarters, girth, hindquarters or back, is effective in terms of visibility, but once dye-marked, the rabbits have to be separated to prevent colour transference and allogrooming (Rowley, 1956). In the present study, we used coloured cotton cloaks inspired from Fanatico et al. (2016) and Ferreira et al. (2019) which enabled us to individually identify the exact same animals over different observation periods and days. ...
... We predicted that, similar to what was found for the marsh and great tits 13,14 , exposing quail to SP would increase their learning and spatial orientation abilities. Our previous studies in quail showed that fearful quail have better spatial abilities than less fearful individuals 25,26 . Based on this, it could be anticipated that SP might increase emotional reactivity of quail as well. ...
