Sensitivity refers to the degree to which a person or system responds to changes in input or stimuli. It is a measure of how much output changes in response to changes in input.

Definition:

• Sensitivity: The ratio of change in output to the change in input.
• Sensitive: Highly responsive to changes in input.
• Insensitive: Not significantly responsive to changes in input.

Examples:

• A thermometer is sensitive to changes in temperature: It responds quickly to even small changes in temperature.
• A computer’s memory is sensitive to changes in voltage: It can be easily affected by fluctuations in voltage.
• A person’s sense of smell is sensitive to faint odors: They can detect very weak smells.
• A person’s hearing is sensitive to high-pitched sounds: They can hear faint high-pitched sounds.

Factors Affecting Sensitivity:

• Physical characteristics: Age, gender, body temperature, and other physical factors can affect sensitivity.
• Psychological factors: Attention, motivation, and emotional state can influence sensitivity.
• Environmental factors: Noise, light, and distractions can impact sensitivity.
• Medical conditions: Certain medical conditions, such as sensory disorders, can affect sensitivity.

Applications:

• Engineering: Sensitivity is a key concept in many engineering applications, such as designing sensors and control systems.
• Science: Sensitivity is used in scientific experiments to measure the effectiveness of substances or systems.
• Medicine: Sensitivity is used in medical diagnosis and treatment to identify and monitor health problems.

Synonyms:

• Responsiveness
• Acumen
• Acuity
• Diligence
• Perception

Antonyms:

• Insensitivity
• Insusceptibility
• Unaffectiveness
• Indolence
• Unresponsiveness