Unit 4 Video

Signal detection theory

a model for predicting how and when a person will detect weak stimuli, partly based on context

8

Bipolar cells

1

Cornea

7

Fovea

9

Ganglion Cells

3

Iris

4

Lens

12

Occipital Lobe

10

Optic Nerve

What condition does Oliver Sacks have?

Prosopagnosia - a neurological disorder that impairs a persons ability to percieve or recognize faces, also known as face blindness

2

Pupil

5

Retina

6

Rods and Cones

Absolute Threshold of Sensation

The minimum simulation needed to register a particular stimulus fifty percent of the time

11

Thalamus

Sensation

The bottom up process by which our senses, like vision, hearing, and smell, recieve and relay outside stimuli

What does amplitude tell us about color and sounds?

The intensity of it

Perception

The top down way our brains organize and interpret information and put it into context

Difference Threshold/ Weber's Law

We percieve differences on a logarithmic, not a linear scale

Sensory adaption

When experiencing constant stimulation, your senses will adjust