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【托福听力备考】托福TPO1听力文本——Lecture 1
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Lecture 1 Psychology
Narrator:Listen to part of a psychology lecture. The professor is
discussing behaviorism.
Professor:Now, many people consider John Watson to be the founder of
behaviorism. And like other behaviorists, he believed that psychologists should
study only the behaviors they can observe and measure. They’re not interested
in
mental processes. While a person could describe his thoughts, no one else can
see or hear them to verify the accuracy of his report. But one thing you can
observe is muscular habits. What Watson did was to observe muscular habits
because he viewed them as a manifestation of thinking. One kind of habits that
he studied are laryngeal habits.
Watson thought laryngeal habits . . . you know, from larynx, in other
words, related to the voice box . . . he thought those habits were an expression
of thinking. He argued that for very young children, thinking is really talking
out loud to oneself because they talk out loud even if they’re not trying to
communicate with someone in particular. As the individual matures, that overt
talking to oneself becomes covert talking to oneself, but thinking still shows
up as a laryngeal habit. One of the bits of evidence that supports this is that
when people are trying to solve a problem, they, um, typically have increased
muscular activity in the throat region. That is, if you put electrodes on the
throat and measure muscle potential—muscle activity—you discover that when
people are thinking, like if they’re diligently trying to solve a problem, that
there is muscular activity in the throat region.
So, Watson made the argument that problem solving, or thinking, can be
defined as a set of behaviors—a set of responses—and in this case the response
he observed was the throat activity. That’s what he means when he calls it a
laryngeal habit. Now, as I am thinking about what I am going to be saying, my
muscles in my throat are responding. So, thinking can be measured as muscle
activity. Now, the motor theory . . . yes?
Student: Professor Blake, um, did he happen to look at people who sign? I
mean deaf people?
Professor:Uh, he did indeed, um, and to jump ahead, what one finds in deaf
individuals who use sign language when they’re given problems of various kinds,
they have muscular changes in their hands when they are trying to solve a
problem . . . muscle changes in the hand, just like the muscular changes going
on in the throat region for speaking individuals.
So, for Watson, thinking is identical with the activity of muscles. A
related concept of thinking was developed by William James. It’s called
ideomotor action.
Ideomotor action is an activity that occurs without our noticing it,
without our being aware of it. I’ll give you one simple example. If you think
of
locations, there tends to be eye movement that occurs with your thinking about
that location. In particular, from where we’re sitting, imagine that you’re
asked to think of our university library. Well, if you close your eyes and think
of the library, and if you’re sitting directly facing me, then according to this
notion, your eyeballs will move slightly to the left, to your left, ‘cause the
library’s in that general direction.
James and others said that this is an idea leading to a motor action, and
that’s why it’s called “ideomotor action”—an idea leads to motor activity.
If
you wish to impress your friends and relatives, you can change this simple
process into a magic trick. Ask people to do something such as I’ve just
described: think of something on their left; think of something on their right.
You get them to think about two things on either side with their eyes closed,
and you watch their eyes very carefully. And if you do that, you’ll discover
that you can see rather clearly the eye movement—that is, you can see the
movement of the eyeballs. Now, then you say, think of either one and I’ll tell
which you’re thinking of.
OK. Well, Watson makes the assumption that muscular activity is equivalent
to thinking. But given everything we’ve been talking about here, one has to ask:
are there alternatives to this motor theory—this claim that muscular activities
are equivalent to thinking? Is there anything else that might account for this
change in muscular activity, other than saying that it is thinking? And the
answer is clearly yes. Is there any way to answer the question definitively? I
think the answer is no.
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