Tag: seasonal changes


SEASONAL AFFECTIVE DISORDER (SAD)

An Overview of Seasonal Affective Disorder (SAD) Seasonal Affective Disorder (SAD) is a clinically recognized subtype of major depressive disorder (MDD) or bipolar disorder that follows a distinct seasonal pattern, characterized by the onset and remission of depressive episodes at specific times of the year. While most individuals experience some degree of mood fluctuation corresponding […]

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PHOTOPERIODISM

Introduction to Photoperiodism Photoperiodism, derived from the Greek words meaning light and period, is defined fundamentally as the physiological and behavioral responsiveness of both plants and animals to cyclical modifications in the duration of light exposure—specifically the length of the day—or, less commonly, to significant shifts in the severity and intensity of ambient light within […]

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