Browsing HMS Scholarly Articles by Keyword "Fear"

Now showing items 1-4 of 4

    • Altered threat and safety neural processing linked to persecutory delusions in schizophrenia: a two-task fMRI study 

      Perez, David Lewis; Pan, Hong; Weisholtz, Daniel; Root, James C.; Tuescher, Oliver; Fischer, David Benjamin; Butler, Tracy; Vago, David R.; Isenberg, Nancy; Epstein, Jane Ingrid; Landa, Yulia; Smith, Thomas J.; Savitz, Adam J.; Silbersweig, David A; Stern, Emily (Elsevier BV, 2015)
      Persecutory delusions are a clinically important symptom in schizophrenia associated with social avoidance and increased violence. Few studies have investigated the neurobiology of persecutory delusions, which is a ...

    • Correlations between psychological tests and physiological responses during fear conditioning and renewal 

      Martínez, Karen G; Castro-Couch, Melissa; Franco-Chaves, José A; Ojeda-Arce, Brenda; Segura, Gustavo; Milad, Mohammed R; Quirk, Gregory J (BioMed Central, 2012)
      Background: Anxiety disorders are characterized by specific emotions, thoughts and physiological responses. Little is known, however, about the relationship between psychological/personality indices of anxiety responses ...

    • Ethnic Differences in Physiological Responses to Fear Conditioned Stimuli 

      Martínez, Karen G.; Franco-Chaves, José A.; Milad, Mohammed R.; Quirk, Gregory J. (Public Library of Science, 2014)
      The idea that emotional expression varies with ethnicity is based largely on questionnaires and behavioral observations rather than physiological measures. We therefore compared the skin conductance responses (SCR) of ...

    • Fronto-Limbic Brain Dysfunction during the Regulation of Emotion in Schizophrenia 

      Eack, Shaun M.; Wojtalik, Jessica A.; Barb, Scott M.; Newhill, Christina E.; Keshavan, Matcheri S.; Phillips, Mary L. (Public Library of Science, 2016)
      Schizophrenia is characterized by significant and widespread impairments in the regulation of emotion. Evidence is only recently emerging regarding the neural basis of these emotion regulation impairments, and few studies ...