Search for dissertations about: "fear-potentiated startle"
Found 3 swedish dissertations containing the words fear-potentiated startle.
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1. Fear, Startle, and Fear-Potentiated Startle : Probing Emotion in the Human Brain
Abstract : The present thesis explored the neurobiological basis of three aspects of defense behaviors in humans. Positron emission tomography methodology was used, and changes in regional cerebral blood flow (rCBF) were measured as an index of neural activity. READ MORE
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2. Positron Emission Tomography (PET) Studies in Anxiety Disorders
Abstract : Anxiety disorders are very common and the primary feature is abnormal or inappropriate anxiety. Fear and anxiety is often mediated by the amygdala, a brain structure rich in substance P (SP) and neurokinin 1 (NK1) receptors. READ MORE
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3. Learning not to fear : extinction, erasure, and the recovery of fear memories
Abstract : Much of the progress in understanding the mechanisms underlying the formation and persistence of fear memories comes from studies of Pavlovian conditioning and extinction. Recently, considerable interest has been turn to strategies that facilitate the development and persistence of extinction. READ MORE