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    • In a rat model of panic, corticotropin responses to dorsal periaqueductal gray stimulation depend on physical exertion 

      Armini, Rubia de Souza; Bernabe, Cristian Setubal; Rosa, Caroline Azevedo; Siller, Carlos Antonio; Schimitel, Fagna Giacomin; Tufik, Sergio [UNIFESP]; Klein, Donald Franklin; Schenberg, Luiz Carlos (Elsevier B.V., 2015-03-01)
      Panic disorder patients are exquisitely and specifically sensitive to hypercapnia. the demonstration that carbon dioxide provokes panic in fear-unresponsive amygdala-calcified Urbach-Wiethe patients emphasizes that panic ...

    • A panic attack-like unusual stress reaction 

      Schenberg, Luiz Carlos; Reis, Adelina Martha dos; Ferreira Povoa, Raner Miguel; Tufik, Sergio [UNIFESP]; Silva, Sara Regina (Elsevier B.V., 2008-11-01)
      Ever since the seminal studies of Hans Selye, activation of hypothalamus-pituitary-adrenal (HPA) axis is emblematic of stress. Consequently, the lack of HPA axis responses following the undisputable psychological stress ...