Anthroplogy - Perception / Sensation

Question 1

Absolute Threshold - sight: seeing a candle ____ ___ away on a clear night

Answer 1

30 miles

Question 2

Absolute Threshold - hearing: hearing a watch ___ ___ away

Answer 2

20 feet

Question 3

Absolute Threshold - touch: feeling a bee’s wing falling a distance of ___ ___ onto your cheek

Answer 3

1 cm

Question 4

Absolute Threshold - smell: smelling one drop of perfume in a ___ ___ house.

Answer 4

three room

Question 5

Absolute Threshold - taste: tasting one teaspoon of sugar dissolved in ___ ___ of water

Answer 5

two gallons

Question 6

What is absolute threshold?

Answer 6

The smallest level of energy required by an external stimulus to correctly detect that stimulus 50% of the time.

Question 7

Is spelling important?

Answer 7

I cdnuolt blveiee taht I cluod aulaclty uesdnatnrd waht I was rdanieg The phaonmneal pweor of the hmuan mnid! Aoccdrnig to a rsheearch at Cmabrigde Uinervtisy, it deosn’t mttaer inwaht oredr the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and lsat ltteer be in the rghit pclae. The rset can be a taotl mses and you can sitll raed it wouthit a porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe. Amzanig huh? Yaeh, and I awlyas thought slpeling was ipmorantt.

Question 8

What is perception? Information that we receive from ___ that is interpreted by our ___

Answer 8

our senses ___ brain

Question 9

Our ability to select sensations and give them meaning is ___

Answer 9

essential to our survival

Question 10

We can be ___ by images or information we receive as well as create for others

Answer 10

confused

Question 11

Object of perception

Answer 11

Some things that attract our attention ( loud noises, large moving objects, shiny things )

Question 12

Background and surroundings

Answer 12

Affect our perception at that moment (studying in front of the tv)

Question 13

The perceiver’s role

Answer 13

We all have different biases because of different experiences (lifetime, cultural)

Question 14

Sensation - our physical senses are ___

Answer 14

limited. We cannot see various types of light - uv, infrared - or hear high pitched sounds

Question 15

Our brain ___ reality and each person creates ___ ___ of meaning - based on previous learning, cultural understanding and experiences

Answer 15

filters - ‘personal codes’

Question 16

Our brain uses this to build a model of the outside world to allow us to manipulate objects, maneuver without predictive mistakes, develop a useful model of ___

Answer 16

reality

Question 17

Humans are ___ animals

Answer 17

visual

Question 18

We view things in ___, ___ and ____.

Answer 18

shape, motion colour

Question 19

Our brain has to ___ sight and produce a recognizable image

Answer 19

interpret

Question 20

Images in our brain are turned ___ ___, ___, ___, we have a visual ____, and there are ___ in the line of vision

Answer 20

upside down, flat, out of focus - blindspot - blood vessel

Question 21

Our ___ ___ converts and interprets all these elements for a flawless, sharp image

Answer 21

occipital lobe

Question 22

Light passes through eye lens and focusses on the ___ at the back of the eye

Answer 22

retina

Question 23

_____________ collect visual information and processed in the occipital lobe - by electrical impulse

Answer 23

Rods and cones (photoreceptors)

Question 24

_________ - interpret colour and image

Answer 24

Left receptors

Question 25

________- orientation of contour, image, shape and form, colour and depth

Answer 25

Middle receptors

Question 26

_______, motion information, orientation and depth

Answer 26

Right receptors

Question 27

What helps us to see depth perception even with one eye open

Answer 27

Binocular disparity

Question 28

Monocular perspective is__________

Answer 28

seeing with one eye

Question 29

What is motion parallex

Answer 29

Objects of different distance shift their position on the retina by different amounts (close one eye and put fingers in line in front of you)

Question 30

What is interpostion

Answer 30

One object nearer to you than the other block the view of the further object

Question 31

Visual issues: what is visual disfuntion

Answer 31

crossed eyes, line of sight is not parallel and can impact interpretation of object and perception of reality

Question 32

Visual issues: what is stereopsis

Answer 32

Brain tries to put images into 3d for eyes to sense depth perception

Question 33

Visual issues: what is stress

Answer 33

Impacts visual inputs as brain tries to interpret and organize information

Question 34

Visual issues: what is pain

Answer 34

Impacts visual inputs because of endorphin release in periaqueductal grey area of the brain - releases pain kills - "pain gate"

Question 35

Visual processing: Expectations –personal understanding

Answer 35

play a role in interpretation

Question 36

Visual processing: TOP-DOWN PROCESSING

Answer 36

Interpretative role, emotions, desires, expectations, goals, memories

Question 37

Visual processing: BOTTOM-UP PROCESSING

Answer 37

determine final perception by immediate sensory data, image to the brain;