On Wednesday, we started the day with another debate:
would taking a pill to make you smarter be
cheating or not?
Neither group really
answered the question, but instead they argued about what would happen if more
people became intelligent.
One group
thought that there were more evil people, not good people in the world.
They thought problems would occur if the evil
people became more intelligent.
They
also thought that if everyone became more intelligent, then no one would want
to do jobs that did not require thinking such as cleaning bathrooms.
The other group countered that more smart
people would counter any problems that evil people would make.
From the cheers and applause of the monks, it
appeared to me that the winner was with the speakers who said that taking the
smart pill would be cheating.
|
Ruler Drop |
I opened the discussion about the senses with a general
overview of how all of the senses provide information about what is in the
environment, where it is, how much there is and how it is changing. I tried to stress how our body has special
cells (receptors) that respond to different signals like light, chemical and
air pressure and showed pictures of different sensory receptors. We then experimented with vision, hearing and
touch by testing reaction time using the ruler drop.
Monks were given rulers and told to drop them so that
another monk could catch it in three conditions: 1) eyes open when the ruler was dropped; 2)
eyes closed but the word “drop” was said at the same time the ruler was dropped
and 3) eyes closed but the foot was tapped at the same time the ruler was
dropped. For each condition, the monks
had to perform the experiment three times and record their data. They all averaged their data and wrote their
numbers on the board at the front of the room.
Then we discussed are data and found that vision provided the fastest
reaction time followed by sound and the touch.
A discussion about why the data looked this way followed.
In the afternoon we looked at the anatomy of the eye and
followed the pathway of light through the cornea, pupil, and lens. With a small magnifying glass, the monks drew
a picture of the light projected through the lens and saw that the image is
upside down and right side is reversed with the left side: this is what happens
when light passes through the lens of the eye.
The monks also learned about the retina and its photoreceptors and
explored the distribution of rods and cones by moving colored objects from the
sides of their faces to the middle of their face. They noticed that movement can be detected
when things move toward the side, but they cannot see color or detail. As the object is moved more toward the center
of the head, the image’s color and detail can be seen because the image hits
the part of the retina with cone receptors.
We ended the day with visual illusions including an
afterimage of the flags of Tibet and the United States.
The monks really enjoyed the illusions and
had fun arguing what they saw.
Tomorrow
we will finish vision and move on to hearing and touch.
I hope we will also get to smell and taste
and many other topics.
Time is getting
short; I leave in three days!