Sensation vs Perception

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Across
  1. 2. The transparent structure behind the pupil that changes shape to help focus
  2. 8. Ring of muscle tissue that forms the coloured portion of the eye around the pupil and controls the size of the pupil opening
  3. 9. Adjustable opening in the centre of the eye through which light enters
  4. 10. When stimuli are below ones' absolute threshold for conscious awareness
  5. 11. The central focal point in the retina, around which the eye’s come cluster
Down
  1. 1. When we select, organize, and interpret our sensations
  2. 3. Physical energy(a stimulus) from the environment converted into neural signals
  3. 4. The nerve that carries neural impulses from the eyes to the brain
  4. 5. The point at which the optic nerve leaves the eye, creating a “blind” spot because no receptor cells are located there
  5. 6. The activation, often unconsciously, of certain associations, thus predisposing one’s perception, memory or response
  6. 7. Retina receptors that detect black, white, and grey; necessary for peripheral and twilight vision, when cones don’t respond