N.R. Santos

One-trial tolerance to midazolam is due to enhancement of fear and reduction of anxiolytic-sensitive behaviors in the elevated plus-maze retest in the rat

Sara E. Cruz-Morales, N.R. Santos, Marcus Lira Brandão · Pharmacology Biochemistry and Behavior · 2002 · 68 citations

Medicine, Neuroscience, Pharmacology +13

A comparative study with two types of elevated plus-maze (transparent vs. opaque walls) on the anxiolytic effects of midazolam, one-trial tolerance and fear-induced analgesia

Lucas Albrechet‐Souza, Amanda Ribeiro de Oliveira, Maria Cecı́lia Zanoto de Luca et al. · Progress in Neuro-Psychopharmacology and Biological Psychiatry · 2005 · 37 citations

Medicine, Behavioral Sciences, Pharmacology +14

Blockade of μ- and activation of κ-opioid receptors in the dorsal periaqueductal gray matter produce defensive behavior in rats tested in the elevated plus-maze

Manoel Jorge Nobre, N.R. Santos, Maria S. Aguiar et al. · European Journal of Pharmacology · 2000 · 36 citations

Life Sciences, Neuroscience, Pharmacology +17

Blockade of histamine H2 receptors of the periaqueductal gray and inferior colliculus induces fear-like behaviors

N.R. Santos, J.P. Huston, Marcus Lira Brandão · Pharmacology Biochemistry and Behavior · 2003 · 28 citations

Medicine, Neuroscience, Pharmacology +12

Further evidence for the involvement of histamine H2 receptors in the control of defensive behaviour generated in the midbrain tectum

N.R. Santos, J.P. Huston, Marcus Lira Brandão · Behavioural Pharmacology · 2002 · 10 citations

Life Sciences, Neuroscience, Pharmacology +13