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Post-stroke depression (PSD) is a form of depression that may occur after a stroke. PSD significantly impacts stroke recovery and the overall quality of life of those affected. It is particularly associated with strokes affecting the basal ganglia or the anterior regions of the brain, including the hippocampus and prefrontal cortex.
Emotional dysregulation is characterized by an inability to flexibly respond to and manage emotional states, resulting in intense and prolonged emotional reactions that deviate from social norms, given the nature of the environmental stimuli encountered. Such reactions not only deviate from accepted social norms but also surpass what is ...
Emotional lability is seen or reported in various conditions including borderline personality disorder, [3] histrionic personality disorder, [4] post-traumatic stress disorder, [5] hypomanic or manic episodes of bipolar disorder, [6] and neurological disorders or brain injury (where it is termed pseudobulbar affect), such as after a stroke. [7]
Pseudobulbar affect (PBA), or emotional incontinence, is a type of neurological disorder characterized by uncontrollable episodes of crying or laughing.PBA occurs secondary to a neurologic disorder or brain injury.
Disorders of diminished motivation (DDM) is an umbrella term referring to a group of psychiatric and neurological disorders involving diminished capacity for motivation, will, and affect.
Appraisal: the emotional situation is evaluated and interpreted. Response: an emotional response is generated, giving rise to loosely coordinated changes in experiential, behavioral, and physiological response systems. Because an emotional response (4.) can cause changes to a situation (1.), this model involves a feedback loop from (4.)
Mood dysregulation from dopamine dysregulation syndrome occurs as a result of changes in the neurotransmitter systems such as disturbance in the dopaminergic reward system. [132] [131] Epilepsy: Epilepsy is an abnormal brain activity disease marked with seizures.
The dysregulation model is supported by neuroanatomical, physiological, and subjective self-report studies. Emotional brain regions (e.g. the amygdala) have shown 60% greater reactivity to emotionally negative photographs following one night of sleep deprivation, as measured by functional magnetic resonance imaging. [5]