Monday, March 26, 2007

The Brain Test

The reading I've been doing lately about our growing understanding of how the brain works prompted me to do the Tickle.com Brain Test. The questions themselves were quite interesting, as there were no wrong answers - the option you choose will depend on what feels most natural. The test aims to find out if you are dominant in the left or right hemisphere of your brain, and will also determine if you are a visual or auditory learner. I was not surprised by my lack of hemispherical dominance. Here's what the report said:

Paul, you are balanced-brained, which means that you rely equally on both the left and right hemispheres of your brain.

You are able to draw on the strengths of both the right and left hemispheres depending on context. Typically, people with balanced right and left hemispheres are very comfortable with switching between local and global perspectives - that is, paying attention to both small details and larger issues when the circumstance indicates. That means they can identify elements that make up an image or situation and also attend to the larger, more holistic pattern or unified whole that those details comprise.

You are able to capitalize on the left hemisphere's skills in verbal communication as well on the right hemisphere's focus on patterns and association making. This rare combination makes you a very creative and flexible thinker.

Depending on the situation, you may rely on one hemisphere or the other. Some situations may lend themselves to using your right brain's creativity and flexibility while other situations may call for a more structured approach as dictated by your left brain.


My test results also showed that I am a visual learner. Apparently, Stephen Hawking is also a balanced-brained, visually learning person. As he is said to be the smartest man alive, I am in good company. The test report also has some interesting information about brain physiology:

Your brain is made up of many different parts and is responsible for many different functions of your body. Because of this, it has adapted to be a very specialized organ. There are parts that control what you taste, what you feel, how you learn, how you think, and how you reason. All of this is so no one part gets overtaxed or worn out, and also so you can perform more than one task at a time.

Your brain stem controls your reflexes and involuntary functions such as breathing, heart rate, blood pressure, and digestion. Your cerebellum helps coordinate movement. Your hypothalamus controls body temperature and feeds behaviors like eating, drinking, aggression, and physical pleasure. Your cerebrum, or cerebral cortex, translates information transmitted from all of your sensing organs. It helps start motor functions, it controls emotions, and it is the center for all thinking, reasoning, learning, and memory. In short, it analyzes all information you feed to it.

The cerebral cortex is divided into two hemispheres. The left hemisphere is responsible for speech, controls the right side of your body, and serves as your logic and reasoning center. The right hemisphere governs your creativity and your athleticism among other things. In the past, people oversimplified this relationship.

People used to say if you were logical, you were definitely left-brained, and if you were creative, you were definitely right-brained. This is no longer the case. New research indicates that there's more flexibility when it comes to our gray matter. And if you know where your strengths and weaknesses lie, you can train your brain to become more organized, creative, or better able to process all sorts of information. Here's some general information on the differences between the left and right hemispheres.

Left hemisphere
There's more to your left hemisphere than analytical strength. Your left hemisphere is involved in linear analytical processes, including processing word meanings and symbols, interpreting facts, and much of your language production and reception.

When you look at a photograph or a painting, your left hemisphere is the one that orients on the logical, linear, and literal action in the picture, such as the storyline or the characters in the picture, as opposed to the more abstract or conceptual elements. Furthermore, when you hear a word, it is the left side that decodes that word's meaning, as opposed to something that word might remind you of. Overall, the left hemisphere is heavily involved in more reductionistic processes, such as breaking a picture into its constituent parts, as opposed to seeing it as a single and unified whole.

Right hemisphere
Similarly, the right hemisphere is not just the seat of intuition. Perhaps it is more intuitively oriented than the left, but in most cases it also identifies patterns and performs spatial analyses. This hemisphere tends to process information in non-linear ways, looking at the whole instead of all the parts that make it up.

When you look at a photograph or painting and notice the overall pattern or abstract contour of the image, it is your right hemisphere that is being activated. As another example, the right side looks at a spiral and sees a unified spiral pattern. Whereas the left side of your brain would see the series of lines making up the spiral and would interpret it in a holistic manner.

If you'd like to take the test, click here.

5 comments:

Crypticity said...

I did the test but was likewise unsurprised by the result - it was like spending an hour measuring the weight of each part of a beached whale and then concluding that the whale was 'heavy'.

Meanwhile, your behaviour at HMBS is worthy of many a thesis. Have you found a Tickle test to diagnose those issues? They are rather more pressing.

Paul said...

The issues to which you refer were merely products of a healthy concern for clarity, my friend. During our discussion on what defines intelligence, I found myself growing uncomfortable with the increasing ambiguity of other participants' explanations, so I felt the need to consult a dictionary in order to make the whole concept of intelligence more concrete in my mind. Intelligence is quite an abstract idea until it is applied in some practical way, and the participants' subjective views on what constitutes intelligence had no frame of reference by which one could judge their accuracy.

Crypticity said...

The reason you were unconfortable is simply that their definitions were not the same as yours. Your unconfortability shows that you instinctively knew where the lines of what intelligence was and wasn't (to you) were. Congratulations! Burn the dictionary!

We all know what intelligence is. The fact that the dictionary would have been more conservative than both us and Gardner shouldn't be a surprise either. Dictionary writers are not mean to be activists for change, but to create a definition that adequately reflects the common consensus amongst people of a definition (descriptive vs. prescriptive). They tends to be conservative.

It's not bad to be conservative in these areas and I'm glad you used your vote to sustain that conservative definition. But in the same way that the definition in a dictionary is a consensus, I'd be glad if you could equally accept the consensus of the group.

You should equally be prepared for the coming HMBS where matters of Soul will be discussed, there you'll (just like me) be a minority of viewpoint.

Crypticity said...

Returning to the purpose of your blog....

It is interesting though that in this and some of our other discussions that your position often seems left-brained, whereas I'll tend to camp somewhat on the right-side of the brain.

What do you think?

Paul said...

I believe that the two sides of my brain work together and compensate for each other's weaknesses. That being said, I think I do tend to favour my left brain in many situations. This is because left-brained skills are more natural for me. But I like using my right brain because it feels more inspired and creative. Right-brained thinking is similar to out-of-the-box thinking, which is hard to do unless you've grown up with it or trained yourself to do it.

So, you often like to step outside the boundaries of convention when discussing things. I don't think right-brained thinking is solely responsible for this. I think your personality and values have a lot to do with it.

Interestingly, it is said that women are more adept than men at socialising. Because of this, women are also more comfortable with social conventions. However, women are also considered to be more right-brained than men. So in this case it would seem that adherence to convention is a right-brained trait. It is probably quite easy to refute this argument. But I'll leave that up to you.