Psychology Exam 1: Chapter 3

Front 1

Front (Term)

Sensation

Back 1

Back (Definition)

The detection of environmental stimuli, such as light or sound, from the environment

Front 2

Front (Term)

Perception

Back 2

Back (Definition)

The meaningful interpretation of the information by our brain from sensations

Front 3

Front (Term)

Transduction

Back 3

Back (Definition)

Generally speaking the sensory receptors job is to detect the physical energy from the environment, and converted into electrical impulses or Norrel signals to be transmitted to the brain. This conversion process from physical energy into neural signal is called...

Front 4

Absolute threshold

Back 4

The absolute smallest stimulus sensitivity that can be detected

Front 5

Difference threshold

Back 5

The difference between two sensory stimuli. It is defined as the smallest possible difference between two stimuli that can be detected 50% of the time

Front 6

Webbers law

Back 6

Difference threshold in any given situation is proportional to the intensity of the original stimulus

Front 7

Sensory adaption

Back 7

When are censored supposed to a constant stimulus for a period of time, the sensory receptors eventually stop sending neural signals to the brain

Front 8

Top-down processing

Back 8

Observing our environment and it stimuli as a whole and drawl on our experiences and expectations about the world to generate a perception. This type of perception drawls on our past experiences and expectations to help us come with an end result

Front 9

Cornea

Back 9

Where light enters the eye. This is where contacts lay.

Front 10

Iris

Back 10

The colored part of the eye. It can expand and contract to regulate the amount of light entering the eye three people

Front 11

Lens

Back 11

A structure that focuses light as it enters your eye the lens is surrounded by tiny muscles that when they can track cheese thickness of the lens to allow the light to focus on the back of the eyeball.

Front 12

Retina

Back 12

Found in the very back of the eyeball it is a thin membrane that contains the sensory receptors we are transduction takes place in the eye

Front 13

Photo receptor

Back 13

The sensory receptors in the eye

Front 14

Photo receptor

Back 14

The sensory receptors in the eye

Front 15

Cones

Back 15

Activated by daytime brightness, are sensitive to differences and wave links, allow us to see color and are specialize for visual cutie

Front 16

Photo receptor

Back 16

The sensory receptors in the eye

Front 17

Cones

Back 17

Activated by daytime brightness, are sensitive to differences and wave links, allow us to see color and are specialize for visual cutie

Front 18

Rods

Back 18

More sensitive to low levels of light, so they are primarily active and in lighting in nighttime situations. The level of visual acuity they provide is low, and are not sensitive to color

Front 19

Fovea

Back 19

Contains only cones, and is the point of central focus it is located in the very center of your right now

Front 20

Optic disc

Back 20

Is not contain any rods or cones. This place where the bundle of nerve fibers that forms the optic nerve leaves the retina through the back of the eyeball to connect to the brain.

Front 21

Visual pathway

Back 21

We're photo receptors are process to transfer as neural signals to the brain

Front 22

Bipolar cell

Back 22

Special neurons that collect the Norrel signals from this photo receptors and pass them forward to the next layer of cells called the gangly on cells

Front 23

Ganglion cells

Back 23

Receives visual data from 100 or more rods and must integrate all of this information together into one signal.

Front 24

Optic nerve

Back 24

The axons of all the ganglion cells in the retina come together into a single bundle at the optic disc, it is A large nerve about the thickness of a pencil. The nerve exit are two eyes and then meet together the optic

Front 25

Optic nerve

Back 25

The axons of all the ganglion cells in the retina come together into a single bundle at the optic disc, it is A large nerve about the thickness of a pencil. The nerve exit are two eyes and then meet together the optic

Front 26

Optic chaism

Back 26

Part of the fibers from each I crosses to the other side of the brain and rest remain on the side same side of the brain this allows for information from your left visual field to be processing the right side of your brain and information from your right visual field to be processed by Loveside your break

Front 27

Thalamus

Back 27

The relay station it is often one of the first stops for information coming into the brain.

Front 28

Visual cortex

Back 28

The last stop for processing. Every aspect of the incoming visual information is now a size and interpreted it here. Continue special cells called feature detectors they decode every element of the incoming information like angles edges and lines

Front 29

Color perception

Back 29

The ability of the brain to interpret differences in wave links of differences in color

Front 30

Trichromatic theory

Back 30

Suggest that the color vision results from the actions of three different types of cones. When it comes to light any color in the world can be created by combining the light waves of three primary colors: red green and blue. As it turns out the retina does contain three types of cones, each of which is most sensitive to wavelength of one of these three primary colors