Karen Siyuan Chen

 Visual, auditory, smell, taste, touch  Stimuli  transmit to the brain

 Absolute threshold  The minimum amount of sensory stimulation that can be detected 50% of the time  Difference threshold  A measure of the smallest increase of decrease in a physical stimulus  Just noticeable difference  The smallest change in sensation that a person is able to detect 50% of the time

 Stimulus  neural impulses  transduction  sensory receptors  Sensory adaptation  The sensory receptors grow accustomed to constant, unchanging levels of stimuli, then we notice them less and less, or not at all.  Not likely to occur in the presence of a very strong stimulus  e.g. walking into or out of a crave / theater

 The eye is the lamp of your body; when your eye is clear, your whole body also is full of light; but when it is bad, your body also is full of darkness. ----(Luke 11:34)

 Trichromatic theory  Maximal chemical response  particularly sensitive to Blue, green, red

 Opponent-process theory  Three kinds of cells respond by increasing or decreasing their rate of firing when different colors are present

 Did you try that test before?

 circumstance of birth, genetic defects  Older functional loss  Injury  Noise demage

 How did you recognize your mother when you were born?  Have you ever said “I like / hate that smell.” ? Did it influence your impression for that object or person?  Think about the most tasty dish you have ever had, how about the smell? Did you feel happy that day?

 Why sometim es I cut myself, but I felt no pain?  Is pain bad?

 How can they do that?  Talent + training

 What do you see?  How do you know that matched the one in your mind?  Do you think that every one saw the same thing as your?

 The further, the smaller?  The former will cover the latter?

 Scared! I CAN’T go forward!

 What is your first image in mind?  Did you see the other image after hints?

 It is not simply 2 persons there.  How about their emotions?

 The edge is quite important!

 Pay attention to the vanishing point

 Answer as soon as possible

 Is there a “T”?  Use prior knowledge  what dos the “T” look like?

 Answer as soon as possible

 Is the “T” red?  Limit the range of guessing

 We not only can tell the distance of objects by vision, but also can tell the location of sound by auditory.

 Selective attention  Just pay attention to what you want to see or hear, or to something that fits your value system unconsciously  Pay good attention = good memory??

 Tell the color that highlighted dot is

 Tell the color that the highlighted dot is

 Tell the color that the highlighted dot is.

 Can you do that?  Why you can or why you can not?