Search for dissertations about: "Memory reconsolidation"

Found 3 swedish dissertations containing the words Memory reconsolidation.

  1. 1. The Amygdala, Fear and Reconsolidation : Neural and Behavioral Effects of Retrieval-Extinction in Fear Conditioning and Spider Phobia

    Author : Johannes Björkstrand; Mats Fredrikson; Emily Holmes; Uppsala universitet; []
    Keywords : SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; Fear conditioning; phobia; memory reconsolidation; retrieval-extinction; exposure therapy; amygdala; fMRI; Psychology; Psykologi;

    Abstract : The amygdala is crucially involved in the acquisition and retention of fear memories. Experimental research on fear conditioning has shown that memory retrieval shortly followed by pharmacological manipulations or extinction, thereby interfering with memory reconsolidation, decreases later fear expression. READ MORE

  2. 2. Erasing Fear : Effect of Disrupting Fear Memory Reconsolidation on Central and Peripheral Nervous System Activity

    Author : Thomas Ågren; Mats Fredrikson; Tomas Furmark; Uppsala universitet; []
    Keywords : SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; Memory reconsolidation; fear conditioning; serotonin; dopamine; polymorphism; gene; exposure therapy; fMRI; amygdala;

    Abstract : Fear memories, here defined as learned associations between a stimulus and a physiological fear reaction, are formed through fear conditioning. In animals, fear memories, present in the lateral amygdala, undergo reconsolidation after recall. READ MORE

  3. 3. Synaptic plasticity in drug abuse disorders : studies of the human post-mortem brain

    Author : Anna Ökvist; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Drug addiction is a chronic disorder characterized by craving and compulsive drug use despite adverse consequences and high rates of relapse during periods of abstinence. Therapeutic interventions for most addiction disorders are limited today, partly because the underlying neurobiology is still unknown. READ MORE