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A psychophysiological investigation of threat and reward sensitivity in individuals with panic disorder and/or major depressive disorder.
Heightened sensitivity to threat and reduced sensitivity to reward are potential mechanisms of dysfunction in anxiety and depressive disorders, respectively. However, few studies have simultaneouslyExpand
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The Different Facets of Anhedonia and Their Associations with Different Psychopathologies
Over the last several decades, there has been increasing interest in the role that anhedonia plays in various psychopathologies, ranging from mood disorders, to eating disorders, to psychoticExpand
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Biomarkers of threat and reward sensitivity demonstrate unique associations with risk for psychopathology.
Two emotional/motivational constructs that have been posited to underlie anxiety and depressive disorders are heightened sensitivity to threat and reduced sensitivity to reward, respectively. It isExpand
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Effects of predictability of shock timing and intensity on aversive responses.
An important characteristic of aversive stimuli that determines emotional responses is whether the stimuli are predictable. Human laboratory studies in this area have typically operationalizedExpand
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Dysfunctional attitudes as a moderator of pharmacotherapy and psychotherapy for chronic depression.
OBJECTIVE Individuals with chronic depression exhibit heterogeneous responses to treatment. Important individual differences may therefore exist within this particularly difficult to treat populationExpand
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Frontal brain asymmetry in depression with comorbid anxiety: a neuropsychological investigation.
The approach-withdrawal model posits that depression and anxiety are associated with a relative right asymmetry in frontal brain activity. Most studies have tested this model using measures ofExpand
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Relation between Respiratory Sinus Arrythymia and Startle Response during Predictable and Unpredictable Threat.
Research suggests that lower respiratory sinus arrhythmia (RSA) is associated with greater aversive responding. One physiological indicator of aversive responding is startle potentiation. While a fewExpand
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Does anxiety sensitivity correlate with startle habituation? An examination in two independent samples
Individuals with anxiety disorders have previously demonstrated abnormal habituation to aversiveness over time. As anxiety sensitivity (AS), or an individuals' propensity to fear of anxiety-relatedExpand
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The relation between symptoms of bulimia nervosa and obsessive-compulsive disorder: a startle investigation.
Bulimia nervosa (BN) and obsessive-compulsive disorder (OCD) co-occur at greater rates than chance and may have shared mechanisms of dysfunction. One of these proposed mechanisms is aExpand
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