A is your body's automatic response to internal or external stimuli. These reactions are generally involuntary, driven by the autonomic nervous system to help you adapt, survive, or maintain internal balance (homeostasis). The Core Mechanism: The "Automatic" Body
These reactions manifest in various ways depending on the situation: Talking about Trauma won't heal you
: The brain prompts the adrenal glands to release chemicals like adrenaline and cortisol .
: This acts as the brake, helping the body return to a resting state once the stimulus is gone. Common Types of Physiological Reactions
Physiological reactions act as a bridge between your emotions and your physical actions. When your brain perceives a stimulus—like a sudden loud noise, a stressful email, or a pleasant touch—it sends signals through nerve pathways and hormones to trigger specific bodily changes.
: This system acts like an accelerator, speeding up your heart rate and breathing to prepare for action.