Unit 2- Senses Flashcards

1
Q

Sensation

A

The process of detecting a physical stimulus

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2
Q

Rods

A

Periphery vision; sees black and white and grey

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3
Q

Cones

A

Center of the eye (Fovea); sees color

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4
Q

Blind Spot

A

The region with no rods or cones

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5
Q

Prosopagnosia

A

Facial Blindness

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6
Q

Pupil

A

A hole in the eye that lets light in

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7
Q

Iris

A

The muscle that controls how much light is let through the pupil

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8
Q

Lens

A

Focuses light

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9
Q

Retina

A

Back lining of the eye– contains rods and cones

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10
Q

Optic Nerve

A

Transmits information to the visual cortex in the brain

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11
Q

Cornea

A

Clear protective covering over the eye

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12
Q

Trichromatic Theory of Color Vision

A

Three different types of photoreceptors. Each sensitive to different range of wavelengths

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13
Q

Opponent Process Theory

A

Two types of color opponent cells

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14
Q

Localization

A

Being able to detect where sound is coming from

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15
Q

Amplitude

A

Intensity of a wave

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16
Q

Frequency Theory

A

Basilar membrane vibrates at the same frequency as sound waves

17
Q

Place Theory

A

Different frequencies cause larger vibrations at different locations along the basilar membrane

18
Q

Olfactory Bulb

A

Where smell is registered in the front of the brain

19
Q

Olfactory System

A

Connects to the Limbic System and Temporal Lobe

20
Q

Anosmia

A

Lack of smell

21
Q

Touch

A

Pressure, itch, temperature, pain

22
Q

Taste (gustation)

A

Sweet, sour, bitter, salty, umami

23
Q

Nociceptors

A

Free nerve endings that respond to pain through spinal cord to brain.

24
Q

Gate Control Theory

A

Pain is physiological and psychological

25
Q

Kinesthetic

A

Knowing where your body parts are in relation to one another

26
Q

Vestibular

A

Sense of balance

27
Q

Synesthesia

A

Senses join together

28
Q

Proprioceptors

A

Receptors in muscles and joints that provide information about position and movement