Add $- 20 + 20$ A) 0
B) 40
C) -40
D) 20

question 65

Multiple Choice

Add: $- 20 + 20$

• A) 0
• B) 40
• C) -40
• D) 20

---

Definitions:

Cataracts

A medical condition where the lens of the eye becomes progressively opaque, resulting in blurred vision.

Signal Detection Theory

An approach to evaluate the capability of identifying information-carrying patterns from random ones that interfere with the information.

Absolute Threshold

The minimum intensity of a stimulus required to be perceived by the senses.

Top-Down Processing

A cognitive process that emphasizes the importance of concepts, expectations, and memory in interpreting sensory information.