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Masked Presentations of Emotional Facial Expressions Modulate Amygdala Activity without Explicit Knowledge
- P. Whalen, S. Rauch, N. Etcoff, S. McInerney, Michael B. Lee, M. Jenike
- Psychology, BiologyThe Journal of Neuroscience
- 1 January 1998
This study, using fMRI in conjunction with masked stimulus presentations, represents an initial step toward determining the role of the amygdala in nonconscious processing.
Neurobiology of emotion perception I: the neural basis of normal emotion perception
Response and Habituation of the Human Amygdala during Visual Processing of Facial Expression
Neurobiology of emotion perception II: implications for major psychiatric disorders
Recall of Fear Extinction in Humans Activates the Ventromedial Prefrontal Cortex and Hippocampus in Concert
Neurocircuitry Models of Posttraumatic Stress Disorder and Extinction: Human Neuroimaging Research—Past, Present, and Future
Neurobiological Basis of Failure to Recall Extinction Memory in Posttraumatic Stress Disorder
Meditation experience is associated with increased cortical thickness
Between-group differences in prefrontal cortical thickness were most pronounced in older participants, suggesting that meditation might offset age-related cortical thinning, and data provide the first structural evidence for experience-dependent cortical plasticity associated with meditation practice.
Reduced caudate and nucleus accumbens response to rewards in unmedicated individuals with major depressive disorder.
Results suggest that basal ganglia dysfunction in major depression may affect the consummatory phase of reward processing, and morphometric results suggest that anhedonia in major Depression is related to caudate volume.
Amygdala, Medial Prefrontal Cortex, and Hippocampal Function in PTSD
- L. Shin, S. Rauch, R. Pitman
- Psychology, BiologyAnnals of the New York Academy of Sciences
- 1 July 2006
Neuroimaging research reveals heightened amygdala responsivity in PTSD during symptomatic states and during the processing of trauma‐unrelated affective information and suggests diminished volumes, neuronal integrity, and functional integrity of the hippocampus in PTSD.