1.6 Flashcards

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1
Q

Sensation

A

A physical perception resulting from something that happens to or comes into contact with the body

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2
Q

Perception

A

The ability to see,hear or become aware or something through senses

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3
Q

Just noticeable difference

A

Th smallest difference in the sound for us to perceive a change in the radios volume

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4
Q

Absolute threshold

A

The lowest level of a stimulus that a person can detect half of the time

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5
Q

Sensory adaption

A

The process by which our brain cells become less sensitive to constant stimuli that are picked up by our senses

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6
Q

Webers law

A

Explains how people perceive changes in stimuli such as sound or weight

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7
Q

Synesthesia psychology

A

A neurological phenomenon that causes people to experience multiple senses simultaneously

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8
Q

Retina

A

A light sensitive layer of tissue in the eye that converts lights into neural signals that are sent to the brain for processing

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9
Q

Blind spot

A

An area of thinking perception or behavior where a person is unaware of their biases limitations or shortcomings

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10
Q

Accommodation

A

The process of adjusting out cognitive schemas to incorporate new information or experiences

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11
Q

Near sightedness

A

A refractive error that makes far away objects look blurry

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12
Q

Far sightedness

A

Refractive error that makes nearly objects look blurry

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13
Q

Rods

A

Photoreceptors in the retina that are responsible for black and white vision low light conditions

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14
Q

Cones

A

Photoreceptor cells in the retina that are responsible for color vision and detailed visual perception

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15
Q

Tri-chromatic Theory

A

The Idea that human eyes perceive color by combining three types of light (red,blue,green)

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16
Q

Opponent process theory

A

A phycological theory that explains how the mind perceives color and other phenomena

17
Q

Afterimage

A

An image that continues to appear in the eyes after a period of exposure to the original image

18
Q

Ganglion cells

A

Neurons in the retina to the brain

19
Q

Color vision deficiency

A

A reduced ability to distinguish between certain colors (color blindness)

20
Q

Dichromatism

A

Partial color blindness in which only two colors are perceptible weed

21
Q

Monochromatism

A

A Type of color blindness that causes people to see all colors as different shades of the same color or as shades of gray

22
Q

Prosopagnosia

A

A condition that makes it difficult to recognize faces even though vision is normal

23
Q

Blindsight

A

A neurological condition that allows people who are critically blind to respond to visual stimuli that they are unaware of

24
Q

Pitch

A

The ability to perceive and differentiate between different sound frequencies or the high or low tone of a sound is

25
Q

Loudness

A

The magnitude of the auditory sensation that a listener experiences when exposed to a sound

26
Q

Place theory

A

Explains how humans perceive pitch

27
Q

Volley theory

A

When high frequency sounds are experienced too frequently for a single neuron to adequately process and fire for each sound event the organs of the ear combine the multiple stimuli into a “volley” to process the sounds

28
Q

Frequency theory

A

A theory of pitch perception that states that the pitch of a sound is determined by the rate at which auditory nerve fibers fire

29
Q

Conduction deafness

A

A type of hearing impairment that occurs when sound waves are unable to travel through the outer layers r middle ear to the inner ear

30
Q

Sensorineural deafness

A

A type of hearing loss caused by damage to the inner ear specifically the hair cells within the cochlea or the auditory nerve

31
Q

Olfactory system

A

Sensory system responsible for the sense of smell including the nose and many parts of the brain

32
Q

Pheronomones

A

Chemical substances that are secreted by one individual and detected by another individual of the same species, triggering a specific behavioral or developmental response

33
Q

Gustation

A

Sense of taste (sweet,salty,sour,bitter,savory

34
Q

Gate control

A

Theory that explains how the spinal cord controls transmission of pain signals to the brain

35
Q

Phantom limb Sensations

A

Perception of a missing limb as if it were still there, and can include both painful and non painful sensations

36
Q

Vestibular

A

Sense of balance and body position that allows us to move smoothly and maintain balance

37
Q

Kinesthesia

A

Sense of movement and position of the body or the ability to sense how body parts are moving