Tag: chronic depression


Long-Term Depression: How Neural Pathways Soften and Adapt

Long-Term Depression: How Neural Pathways Soften and Adapt

Long-Term Depression (LTD) The Core Definition of Long-Term Depression (LTD) Long-Term Depression (LTD) is a fundamental mechanism of synaptic plasticity, defined as a stable, persistent weakening of synaptic transmission between two neurons. Unlike its counterpart, Long-Term Potentiation (LTP), which strengthens neural connections and is often associated with the initial encoding of memory, LTD serves a […]

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Persistent Depressive Disorder: Finding Light in the Grey

Persistent Depressive Disorder: Finding Light in the Grey

DYSTHYMIC DISORDER (Persistent Depressive Disorder) The Core Definition and Fundamental Mechanism The psychological condition formerly known as Dysthymic Disorder, and now classified in the DSM-5 as Persistent Depressive Disorder (PDD), represents a chronic, long-term form of depression characterized by persistent low mood and general unhappiness that lasts for a minimum of two years in adults […]

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RECURRENT DEPRESSION

Defining Recurrent Depression and Diagnostic Criteria Recurrent depression, formally categorized within the spectrum of Major Depressive Disorder (MDD), represents a chronic and significant psychological condition characterized by the experience of two or more distinct major depressive episodes (MDEs). This distinction from a single-episode MDD is critical for both prognosis and treatment planning, highlighting the persistent […]

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