Orr, Scott P.

Smaller hippocampal volume predicts pathologic vulnerability to psychological trauma

Gilbertson, M. W., Shenton, M. E., Ciszewski, A., Kasai, K., Lasko, N. B., Orr, S. P., & Pitman, R. K. (2002) · Nature Neuroscience

Posttraumatic Stress Disorder ResearchStress Responses and Cortisol

Cited by 1,635

Biological studies of post-traumatic stress disorder

Pitman, R. K., Rasmusson, A. M., Koenen, K. C., Shin, L. M., Orr, S. P., Gilbertson, M. W., Milad, M. R., & Liberzon, I. (2012) · Nature Reviews Neuroscience

Posttraumatic Stress Disorder ResearchStress Responses and Cortisol

Cited by 1,529

Neurobiological Basis of Failure to Recall Extinction Memory in Posttraumatic Stress Disorder

Milad, M. R., Pitman, R. K., Ellis, C. B., Gold, A. L., Shin, L. M., Lasko, N. B., Zeidan, M. A., Handwerger, K., Orr, S. P., & Rauch, S. L. (2009) · Biological Psychiatry

Posttraumatic Stress Disorder ResearchMemory and Neural Mechanisms

Cited by 1,339

Recall of Fear Extinction in Humans Activates the Ventromedial Prefrontal Cortex and Hippocampus in Concert

Milad, M. R., Wright, C. I., Orr, S. P., Pitman, R. K., Quirk, G. J., & Rauch, S. L. (2007) · Biological Psychiatry

Memory and Neural MechanismsMemory Processes and Influences

Cited by 1,197

Exaggerated amygdala response to masked facial stimuli in posttraumatic stress disorder: A functional MRI study

Rauch, S. L., Whalen, P. J., Shin, L. M., McInerney, S. C., Macklin, M. L., Lasko, N. B., Orr, S. P., & Pitman, R. K. (2000) · Biological Psychiatry

Posttraumatic Stress Disorder ResearchAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Cited by 1,111

Pilot study of secondary prevention of posttraumatic stress disorder with propranolol

Pitman, R. K., Sanders, K. M., Zusman, R. M., Healy, A. R., Cheema, F., Lasko, N. B., Cahill, L., & Orr, S. P. (2002) · Biological Psychiatry

Posttraumatic Stress Disorder ResearchPsychoanalysis and Psychopathology Research

Cited by 964

A Functional Magnetic Resonance Imaging Study of Amygdala and Medial Prefrontal Cortex Responses to Overtly Presented Fearful Faces in Posttraumatic Stress Disorder

Shin, L. M., Wright, C. I., Cannistraro, P. A., Wedig, M. M., McMullin, K., Martis, B., Macklin, M. L., Lasko, N. B., Cavanagh, S. R., Krangel, T. S., et al. (2005) · Archives of General Psychiatry

Posttraumatic Stress Disorder ResearchAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Cited by 960

Regional Cerebral Blood Flow in the Amygdala and Medial PrefrontalCortex During Traumatic Imagery in Male and Female Vietnam Veterans With PTSD

Shin, L. M., Orr, S. P., Carson, M. A., Rauch, S. L., Macklin, M. L., Lasko, N. B., Peters, P. M., Metzger, L. J., Dougherty, D. D., Cannistraro, P. A., et al. (2004) · Archives of General Psychiatry

Posttraumatic Stress Disorder ResearchTraumatic Brain Injury Research

Cited by 790

De novo conditioning in trauma-exposed individuals with and without posttraumatic stress disorder.

Orr, S. P., Metzger, L. J., Lasko, N. B., Macklin, M. L., Peri, T., & Pitman, R. K. (2000) · Journal of Abnormal Psychology

Posttraumatic Stress Disorder ResearchMemory and Neural Mechanisms

Cited by 653

Regional cerebral blood flow during script-driven imagery in childhood sexual abuse-related PTSD: A PET investigation

Shin, L. M., McNally, R. J., Kosslyn, S. M., Thompson, W. L., Rauch, S. L., Alpert, N. M., Metzger, L. J., Lasko, N. B., Orr, S. P., & Pitman, R. K. (1999) · American Journal of Psychiatry

Posttraumatic Stress Disorder ResearchChild Abuse and Trauma

Cited by 647

An fMRI study of anterior cingulate function in posttraumatic stress disorder

Shin, L. M., Whalen, P. J., Pitman, R. K., Bush, G., Macklin, M. L., Lasko, N. B., Orr, S. P., McInerney, S. C., & Rauch, S. L. (2001) · Biological Psychiatry

Posttraumatic Stress Disorder ResearchTraumatic Brain Injury Research

Cited by 604

Effect of post-retrieval propranolol on psychophysiologic responding during subsequent script-driven traumatic imagery in post-traumatic stress disorder

Brunet, A., Orr, S. P., Tremblay, J., Robertson, K., Nader, K., & Pitman, R. K. (2008) · Journal of Psychiatric Research

Posttraumatic Stress Disorder ResearchMemory Processes and Influences

Cited by 548

Presence and acquired origin of reduced recall for fear extinction in PTSD: Results of a twin study

Milad, M. R., Orr, S. P., Lasko, N. B., Chang, Y., Rauch, S. L., & Pitman, R. K. (2008) · Journal of Psychiatric Research

Posttraumatic Stress Disorder ResearchMemory and Neural Mechanisms

Cited by 512

A Role for the Human Dorsal Anterior Cingulate Cortex in Fear Expression

Milad, M. R., Quirk, G. J., Pitman, R. K., Orr, S. P., Fischl, B., & Rauch, S. L. (2007) · Biological Psychiatry

Memory and Neural MechanismsNeural and Behavioral Psychology Studies

Cited by 485

Thickness of ventromedial prefrontal cortex in humans is correlated with extinction memory

Milad, M. R., Quinn, B. T., Pitman, R. K., Orr, S. P., Fischl, B., & Rauch, S. L. (2005) · Proceedings of the National Academy of Sciences

Memory and Neural MechanismsNeural and Behavioral Psychology Studies

Cited by 412

Physiologic correlates of perceived therapist empathy and social-emotional process during psychotherapy.

Marci, C. D., Ham, J., Moran, E., & Orr, S. P. (2007) · Journal of Nervous & Mental Disease

Psychotherapy Techniques and ApplicationsEmpathy and Medical Education

Cited by 364

Trauma Reactivation Under the Influence of Propranolol Decreases Posttraumatic Stress Symptoms and Disorder: 3 Open-Label Trials

Brunet, A., Poundja, J., Tremblay, J., Bui, É., Thomas, É., Orr, S. P., Azzoug, A., Birmes, P., & Pitman, R. K. (2011) · Journal of Clinical Psychopharmacology

Posttraumatic Stress Disorder ResearchPsychoanalysis and Psychopathology Research

Cited by 331

Sex-specific influences of vasopressin on human social communication

Thompson, R. R., George, K., Walton, J. C., Orr, S. P., & Benson, J. (2006) · Proceedings of the National Academy of Sciences

Neuroendocrine regulation and behaviorEvolutionary Psychology and Human Behavior

Cited by 312

Auditory startle response in trauma survivors with posttraumatic stress disorder: a prospective study.

Shalev, A. Y., Peri, T., Brandes, D., Freedman, S., Orr, S. P., & Pitman, R. K. (2000) · American Journal of Psychiatry

Posttraumatic Stress Disorder ResearchChild Abuse and Trauma

Cited by 285

Activation of anterior paralimbic structures during guilt-related script-driven imagery

Shin, L. M., Dougherty, D. D., Orr, S. P., Pitman, R. K., Lasko, M., Macklin, M. L., Alpert, N. M., Fischman, A. J., & Rauch, S. L. (2000) · Biological Psychiatry

Emotions and Moral BehaviorNeural and Behavioral Psychology Studies

Cited by 252

Psychophysiological assessment: clinical applications for PTSD

Orr, S. P., & Roth, W. T. (2000) · Journal of Affective Disorders

Posttraumatic Stress Disorder ResearchAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Cited by 229

Utility of psychophysiological measurement in the diagnosis of posttraumatic stress disorder: results from a Department of Veterans Affairs cooperative study

Keane, T. M., Kolb, L. C., Kaloupek, D. G., Orr, S. P., Blanchard, E. B., Thomas, R. G., Hsieh, F. Y., & Lavori, P. W. (1998) · Journal of Consulting and Clinical Psychology

Posttraumatic Stress Disorder ResearchTraumatic Brain Injury Research

Cited by 221

Fear conditioning and extinction: Influence of sex and menstrual cycle in healthy humans.

Milad, M. R., Goldstein, J. M., Orr, S. P., Wedig, M. M., Klibanski, A., Pitman, R. K., & Rauch, S. L. (2006) · Behavioral Neuroscience

Memory and Neural MechanismsMemory Processes and Influences

Cited by 212

Sleep Promotes Generalization of Extinction of Conditioned Fear

Pace-Schott, E. F., Milad, M. R., Orr, S. P., Rauch, S. L., Stickgold, R., & Pitman, R. K. (2009) · Sleep

Memory and Neural MechanismsSleep and Wakefulness Research

Cited by 196