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The ability to sense one's own heartbeat is a key dimension of , the sensing of internal bodily signals. Recent research has shown that heartbeat perception is causally linked to frontal brain activity, specifically delta oscillations. Studies from Nature suggest that enhancing these brain oscillations can actually suppress the accuracy of heartbeat detection.

For a healthy adult at rest, a normal heart rate typically ranges between . This rate is dynamic and adjusts based on factors such as physical activity, stress, and emotions like fear, which triggers the release of adrenaline . Interoception: Perceiving the Pulse heartbeat 1

The familiar "lub-dub" sound heard through a stethoscope is produced by the closing of the heart valves during these phases. Heartbeat vs. Heart Rate The ability to sense one's own heartbeat is

The frequency of these beats over a specific period, typically measured in beats per minute (BPM) . For a healthy adult at rest, a normal

Advancements in medical technology have made monitoring the heartbeat more precise and less invasive. Beyond traditional electrocardiography (ECG) , modern methods include: