2014
DOI: 10.3922/j.psns.2014.4.11
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Effects of environmental stimulation during different periods of central nervous system development in malnourished rats subjected to the elevated plus maze.

Abstract: We compared the effects of environmental enrichment (EE) and tactile stimulation (handling [H]) during a critical period of development of the central nervous system (CNS) on behavior in malnourished (M; 6% protein) and control (C; 16% protein) rats in the elevated plus maze (EPM) on postnatal day 36 (P36) and P37. The stimulation occurred during two different periods of development: P8-21 (lactation period) and P22-35 (post-lactation period). The results showed higher exploration of the open arms of the EPM i… Show more

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Cited by 3 publications
(2 citation statements)
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“…Moreover, the basal corticosterone level in plasma decreased in rats subjected to PSS after MD, paralleling the effects observed in patients with PTSD (Zoladz et al 2012(Zoladz et al , 2015Wilson et al 2014). These results are consistent with previous studies (Cruz et al 1994;de Oliveira Soares et al 2014) and suggest that, in rats, an early stress experience such as MD can aggravate some effects of exposure to a stressor during adulthood.…”
Section: Discussionsupporting
confidence: 93%
See 1 more Smart Citation
“…Moreover, the basal corticosterone level in plasma decreased in rats subjected to PSS after MD, paralleling the effects observed in patients with PTSD (Zoladz et al 2012(Zoladz et al , 2015Wilson et al 2014). These results are consistent with previous studies (Cruz et al 1994;de Oliveira Soares et al 2014) and suggest that, in rats, an early stress experience such as MD can aggravate some effects of exposure to a stressor during adulthood.…”
Section: Discussionsupporting
confidence: 93%
“…According to the results, MD led to only slight behavioral effects, which manifested as a general decrease in activity and impulsivity, and increased anxiety-like behavior (evaluated by the total number of entries, open arms entries and time spent in (Cruz et al 1994;de Oliveira Soares et al 2014), and the immobility time (Walf and Frye 2007). MD also resulted in decreases in unprotected SAP and grooming, which are indicative of increased approach avoidance conflict and/or risk assessment behavior (Fernández Espejo 1997;Rodgers and Dalvi 1997;Horii-Hayashi et al 2021).…”
Section: Discussionmentioning
confidence: 96%