Sensations, perception, attention and memory

2. The process of organizing and interpreting sensory information to recognize meaningful objects and events.
7. Involuntary attention is also called natural and ___.
9. Information processing guided by higher-level mental processes is referred to as ___-down processing.
10. Diminished sensitivity as a consequence of constant stimulation is known as sensory ___.
11. Retinal receptor cells concentrated near the center of the retina that detect fine detail and color.
13. The minimum stimulation needed to detect a particular stimulus 50% of the time is called the absolute ___.
16. The process by which our sensory receptors and nervous system receive and represent stimulus energies.
17. A coiled, bony, fluid-filled tube in the inner ear through which sound waves trigger nerve impulses.
19. Retinal receptors that detect black, white, and gray, functioning heavily in peripheral vision.
20. A mental process of a conscious adjustable concentration caused by conditions of activity is ___-willed attention.

1. The system for sensing the position and movement of individual body parts.
3. The formal, psychological term for the sense of taste.
4. The formal, psychological term for the sense of smell.
5. Processing that begins with the sensory receptors and works up to the brain's integration is ___-up processing.
6. The quantity of objects which can be covered with attention in a limited interval of time.
8. The conversion of one form of energy into another, such as transforming light into neural impulses.
12. The sense of whole-body movement and position, including the sense of balance.
14. The bundle of nerve fibers that carries neural impulses from the eye to the brain is the ___ nerve.
15. The transparent structure behind the pupil that changes shape to help focus images on the retina.
18. The formal, psychological term for the sense of hearing.