CVSA Physiological Basis of Voice Stress Analysis 2

Question 1

According to the theoretical basis of CVSA, what happens to vocal microtremors when a person experiences psychological stress?

Accepted Answer

They are suppressed or diminished

Answer

CVSA theory holds that psychological stress suppresses the normal microtremors in the voice, and this suppression or diminishment is the primary indicator the instrument detects.

Question 2

The medical concept of 'muscle tension dysphonia' is relevant to CVSA because it:

Accepted Answer

Demonstrates how stress-related muscle tension can alter voice quality

Answer

Muscle tension dysphonia illustrates the established medical link between psychological stress, elevated muscle tension, and altered voice characteristics that underpins CVSA theory.

Question 3

The 'cognitive load' theory is relevant to CVSA because it proposes that:

Accepted Answer

Deception requires additional mental processing that generates detectable stress

Answer

Cognitive load theory suggests the mental effort required to construct and maintain a deceptive response creates additional psychological stress, producing physiological changes detectable in the voice.

Question 4

Cortisol, a primary stress hormone, is relevant to CVSA readings because it:

Accepted Answer

Contributes to the physiological stress response that elevates muscle tension

Answer

Cortisol is part of the broader hormonal stress response that increases muscle tension throughout the body, including the larynx, contributing to the physiological voice changes CVSA analyzes.

Question 5

Understanding the physiological basis of CVSA technology is important for operators primarily because it:

Accepted Answer

Helps them properly interpret results and account for individual physiological variation

Answer

A solid understanding of the physiology allows operators to interpret results meaningfully, explain the technology accurately, and account for individual differences that may influence stress responses.

CVSA - Computer Voice Stress Analyzer Practice Test

CVSA - Computer Voice Stress Analyzer Practice Test

CVSA Physiological Basis of Voice Stress Analysis 2