An Electronic Braille Embosser That Translates Text from a Braille

question 20

Multiple Choice

An electronic Braille embosser that translates text from a Braille keyboard to a printer:

• A)Trekker
• B)Perkins Brailler
• C)Mountbatten Brailler
• D)Duxbury Braille Translator

---

Definitions:

Just Noticeable Difference

The smallest change in the intensity of a stimulus that can be detected.

Weber's Law

A principle in psychology stating that the just-noticeable difference in a stimulus is proportional to the magnitude of the original stimulus.

Opponent-Process Principle

A psychological and physiological model that explains contrasting emotional and sensory responses to stimuli.

Sensory Information

The data received by the senses (sight, hearing, touch, taste, and smell) which is then processed by the brain.