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A Post Across Two Blogs

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Where did my mind go?

I admit that I have a problem.

That problem is that I have to try-really try to be organized (if any students are reading this, they won’t believe that I am ever organized, even after trying, but that’s only partly correct). It does not come naturally to me and I tend to add complexity when I should be adding simplicity. The good thing is, at least I recognize this and I have a couple solutions, one of which I’ll fess up to right away: When I get lost in my own web, the best thing I can do is put my problem down and come back after a good night’s sleep.

It’s rare that I actually get a good night’s sleep though, but it often works out that any degree of shut-eye will do. And this is just what neurologists have been telling us for a long time. We don’t fully understand sleep, but we do know that it’s important. Recent data has just come out from the University of Wisconsin-Madison lending further support to the hypothesis that sleep is an organizing tool for our brains.

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Really, this is an important part of my work.

 

 Dr. Giulio Tononi, of the UW Center for Sleep and Consciousness. “During wake, learning strengthens the synaptic connections throughout the brain, increasing the need for energy and saturating the brain with new information. Sleep allows the brain to reset, helping integrate newly learned material with consolidated memories, so the brain can begin anew the next day.”

We know that sleep functions in many ways to help out brains. Again, from the UW-M website,Indeed, there is evidence that sleep enhances important features of memory, including acquisition, consolidation, gist extraction, integration and “smart forgetting,” which allows the brain to rid itself of the inevitable accumulation of unimportant details.”

Prior work from Brown University also shows that “sleep is not just a waste of time.” While the data from UW-M suggests that sleep is important in the organization, integration and normalization of new material, Masako Tamaki and co-workers from Brown have shown that sleep is necessary in order to learn new motor tasks. This means, that we need sleep not only to make sense of information, but also to be able to retrieve it more efficiently and tie it to specific musculature functions (e.g. riding a bike, playing an instrument).

The other evening I was lost in the complexity of a new programming project I have been working on. I had an idea of how I wanted to attack the task, but it involved learning a number of new methods for handling and retrieving data. The point of the project was to create an program that was incrementally advancing in the way it was crafted – i.e. it was a learning tool for me. There’s no need for this project, just practice for me. Yet, I was doing something that I’ve learned not to do again and again in science. I was adding more than one variable to an experiment and then being frustrated by my inability to work out the kinks and get any meaning.

I needed sleep and knew it. So, I did the nest I could to make notes about what I was dealing with and closed everything (including myself) down.

The next day, I gave myself permission to re-examine the problem from scratch and figure out if I was going about it in the best way possible. The first thing I did was to ratchet back the number of new methods used and made a larger, more cumbersome program, but one that was functionally simpler. I also permitted myself to ‘cheat’ a couple of aspects of the program in order to get it working and then try to re-introduce the items that I cheated by removing before. An example of this was to just use a simple integer, like ‘5’ where I really wanted to generate a random number based on the size of a container that was holding ‘objects’ I used in the program. This meant that I could focus on the use of the data without needing to feed in the ‘real’ information yet.

Most importantly, I feel better about the project now. I think I can finish it with a couple more hours of work and I don’t think I have to throw my computer out of a high window just yet. Take my advice. When working on something that is giving you trouble, give it a good go, then stop, sleep, regroup, and start fresh the next day. Your time is better spent sleeping than spinning your wheels.

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goto the code

In fact, I am still having problems, but they are becoming more well defined and manageable. I’m posting the program itself and some discussion of my problems on my other blog, but I thought I would start with a little Neurobiology here first.

Sarah Allen in the Southern Methodist University explains how this works when learning music…

 
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Posted by on May 15, 2014 in Uncategorized

 

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Intro Bio -Day 1

The first class of Intro Biology was yesterday and perhaps I was a bit too … familiar.

I’ve been teaching this class for a number of semesters now and my preparation time has gone down to a minimum – not to say that I don’t prepare, in fact, I prepare quite a lot. That said, I think more about what major concepts I want to get across during a class and don’t worry as much about the small stuff. Because the first day doesn’t have that much to it anyway, I know I could have structured my day a little better.

Instead, I may have come on fairly strong – piping at full steam under the power of a towering cup of cafe americano.

Here’s the structure of Day 1:

Sign in, pick up packets and go through the syllabus.

I also spend some time showing off the iBook I put together as a student handbook and explain how these will all be available as interactive software on the school’s iPads (oooohhh. – I think I was the only one impressed)

That is biology?  – The study of life.

What is it to be alive? – Harder to put into words than you would guess.

But it can be estimated by a series of characteristics and something called Cell Theory.

And Cell Theory, by the way, is one of the central concepts of biology.

What are the others?

Germ theory – some micro-organisms cause some diseases (a direct derivative of cell theory) Can be demonstrated by following Koch’s Postulates. Discuss some examples and then shelf – Germ Theory is the focus of my entire microbiology class, we don’t discuss it much in general bio after the first couple days.

The Central Dogma – DNA –> RNA –> Protein

Information –> molecules that carry out work

Inheritance and Evolution – How is information passed from one generation to the next. How do the mechanics of this work and what does that demonstrate about the history of life.

Follow up with how science is actually nothing but a systematized way of asking questions of nature  – play an excerpt from the Mischel’s Marshmallow’s episode of the RadioLab podcast (http://www.radiolab.org/blogs/radiolab-blog/2009/mar/09/mischels-marshmallows/). I cut off right after Jonah Lehrer cuts in saying that the difference in SAT scores is 200 pts+ for kids who can exhibit self control at an early age. Then we talk about what the question was, what the data was, how it was interpreted and what subsequent hypotheses can be suggested.

Actually, it all sounds quite reasonable here, but I might have just presented it a bit too frenetically. I actually get so excited about teaching that I have trouble containing myself. Especially after a whole summer of having no ‘audience’ – I need my stage-time!

So that was day 1. I’m only teaching one section this semester and I’m realizing that it’s not enough! Damn. They offered me more and I refused it. Ughhh. Well, the life of an adjunct. If they’d offer me a fulltime position it would be different.

An aside:  There is a part of me that agrees with my former mentor’s philosophy that if you come down on them and make the class a challenge right out of the gate, then you never have to deal with the chaff at all and you get nothing but the best students coming back.

There’s another part of me that thinks (perhaps unjustly) that, “yes -but you’re teaching ivy league students taking advanced immunology. I’m teaching a intro biology to a jr. college class.”

 
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Posted by on August 22, 2012 in Uncategorized

 

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Damn

I need a to-do list.Image

My wife took the boy out for the morning, leaving me home alone to work and my brain fried. I have so many things I want to do, it was overwhelming. 

‘The time is gone…Thought I’d something more to say.’

 
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Posted by on July 15, 2012 in Personal Life

 

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