incisura

What Is an Incisura?

An incisura is a notch or indentation in a waveform. See: Dicrotic Notch.

Significance in PDD

This concept is part of the theoretical and practical framework supporting psychophysiological detection of deception. Understanding it helps practitioners, researchers, and informed consumers appreciate the scientific foundations of modern polygraph testing and the ongoing refinement of techniques and methods based on empirical research.

Further Reading

For comprehensive information on polygraph science, visit the polygraph glossary, the research database, or the Polygraph Examiner Hub for professional resources.

Professional Context

This concept forms part of the knowledge base expected of qualified forensic psychophysiologists. Training at APA-accredited schools covers the theoretical foundations, practical applications, and research evidence underlying all aspects of polygraph methodology. Ongoing continuing education ensures practitioners stay current with developments in the field.

For published research on this topic and related polygraph science, visit the polygraph research database, which contains over 250 peer-reviewed studies on polygraph techniques, scoring methods, and physiological measurement.

In research contexts, the incisura provides a precise timing reference for measuring specific cardiovascular intervals such as the left ventricular ejection time and the pre-ejection period. See: dicrotic notch.