Wednesday, January 25, 2006

Television: Doesn't Content Matter?

The issue of content in television watching is all important on the one hand, and not really significant on the other. It depends on what question we're asking.

Particularly in reference to our small children I think there's another issue at least as important as content. My concerns about television for tots have a lot to do with the technical stuff of how television works, how the picture itself is transmitted (and I don't let my small-fry spend much time on the computer, either).

While staring at a television program or video, we *perceive* a continuously moving picture, like real life, but what's really happening is thousands of tiny little squares are rearranging themselves to create the picture we think we see. One part of our brain actually recognizes this, but getting frustrated with the speed of the changes and the way they are made, actually just sort of turns itself off. Unfortunately, this is also the part we use when we are thinking critically, mulling
something over before we accept it, and so we are left with the 'emotional' part of the thinking apparatus. I am *not* saying that we just blindly accept everything we see on television (although we all probably know somebody who does just this), but I am saying that we are more likely to be in a receptive mood to something portrayed on
television, and the subtler the message, the more likely it finds its way into our minds and becomes part of our basic assumptions.

Dan Adams says it better in The Child Influencers:

"...You think you are watching an image of Bill Cosby. ...Instead you are looking at the phosphorous glow of three hundred thousand dots which are being rapidly turned on and off...the dots are lit sequentially beginning in the upper right hand corner of your screen... (and they are) turned on or off as the scanning system moves down the screen, one row at a time. By the time the scan reaches Bill's chin, the dots making up his forehead are already fading.
...there is never an image of Bill Cosby on the screen. It only looks like an image of Bill Cosby because these scans take place so quickly--30 per second....TV images only take place after you have assembled them in your brain."
Now, to paraphrase the rest, we only detect *10* images a second (that is all we can consciously absorb), which is why the 30 images a second blend in to appear as continuous motion, even though what is *really* being transmitted is a strobe like blinking (30 blinks per second), and it's this rapidly changing imagery that we *don't* perceive that concerns me.

Researchers in Australia found that "humans habituate to repetitive light-stimuli" (which is what television actually is) and that the brain then "quits processing the information." Two other researchers independently found that TV produces changes in the brain waves- specifically an increase in alpha waves, which are "slow and typical of the person who is spaced out".

This study was particularly fascinating because it wasn't all what the researcher was expecting. A Dr. Erik Peper asked ten kids to watch their favorite children's television shows, assuming that since they were favorite programs, the kids would be involved in them, and so alpha and beta brain waves would alternate. They didn't.

Reading, on the other hand, produces large amounts of beta waves. So, as Dan Adams puts it, "We give up a measure of control over our thinking process due to the nature of the media itself."

Nobody really knows the affect it has on a child's brain to spend hours a day in the 'alpha' state, but we've been performing an experiment to find out for the last fifty years or so. I'm not impressed with the results, but maybe I'm wrong. Maybe it really doesn't make any difference at all. But how do we know? We're talking about our children's brains, so I think we might be a little more cautious about what we do to them. This research is a few years old, and maybe it's outdated now (I don't think so, but I don't know)- but that isn't really the point. The point is that we're messing around with our kids' brains and we don't really know what we're doing, whether it's harmful, has long-term results, or what.

So my children don't have television. Occasionally they watch movies or go to Granny Tea's to watch a program (but we've only lived near Granny Tea for the last year). In the meantime, what have they really missed? Why does this discussion make so many people uncomfortable? What is it about television that makes those who have it so very unhappy to hear from those who don't? If it's just a neutral form of entertainment, what makes people so evangelistic about it? And why is it considered 'extreme,' as I have often been told in the 14 years we've gone without it, to simply not bother with it? (I know I said a dozen yesterday, but I just realized that Pipsqueak is a year older than I was calculating and that she was one and not two when we completely disconnected our television set).



I'll have more to say about this and related issues later. As I told Blest with Sons, this information is largely coming from material I already wrote several years ago. But I don't want to overwhelm our readers any more than we already do, and blogging around here is going to be light for the next few days (light for us, anyway:D). That means you have a chance to catch up on previous posts, and maybe visit a few of the entries to the Homeschooling Carnival. Don't abandon us altogether!

The Shrine in The Corner
Blest With Sons; Most recent post at Blest (as of this writing).

I think our cultural dependency on the medium of the screen has resulted in an inability to reason, to think and reason well- we substitute emotion for careful thought- and Over at A Dollop of Sour Cream My Boaz's Ruth has been thinking about that very thing.

15 comments:

jquinby said...

Deathbed laments you will never hear:

"I wish I'd spent more time working."

and

"I wish I'd watched more television."

jdavidb said...

So, what happens when you begin to get all your information from the computer monitor instead of a book or print? Anything similar? Generally speaking, I'm still getting it from text rather than animated images. But I wonder.

And is it the same if I get an LCD monitor?

Your comment yesterday about poor folks in some locale being guaranteed a television as a "necessity of life" got me to thinking. In our society, we claim to value democracy, and we claim to value a well-informed electorate as a necessity to that democracy working well. (Hence the completely tyranical and very anti-freedom "democratic" action of forcing children into "school.") And I can imagine that some people rationalize television as a necessity by saying that most people get their news from television and so it's important that these disadvantaged households have it.

I wouldn't agree with that at all. We terminated our satellite service last year, and my father keeps saying he couldn't do that because he needs the news. I haven't gotten news from television since I was in junior high school, other than for major events like elections and terrorist attacks and space shuttle disasters. It was talk radio for years, and now it's the Internet. When I visit my father, he has the cable news networks playing CONSTANTLY. INCESSANTLY. I hate it. If I suggest that we find an actual program to watch, it drives him nuts. Dad apparently needs that constant news feed.

But I get that from the Internet (and still some radio). And I can't stand sitting through a television news broadcast. To me, it's ten times slower than getting the information off of the net, plus on the net I can bring up tab after tab after tab of stories on the same subject in order to get multiple points of view. I'm willing to tolerate a single stream of news information when I'm trapped in my car, but not when I'm in my home.

Anyway, that might be where some folks are coming from with the lunatic idea that every poor home should have a TV. But I think you and I both know that that TV does not get used for news (and if it does, it does not result in a "well informed electorate" for a whole host of reasons). It gets used for watching junk.

Headmistress, zookeeper said...

David, I don't know about the use of computers and the affect on the brain because I haven't done any reading about it as I have about television. I would guess that if you are looking at stationary text it wouldn't have quite the same result so far as brain waves because the image isn't changing faster than your brain can keep up- but that's just my guess.
More importantly, my questions about television are largely related to the developing brains of children, and children do not typically spend the same amounts of time on the computer *just reading text.* We don't do many computer games, either, for the same reason, and we don't even own a gameboy or anything like it.
I deeply disapprove of kids who seem to substitute some sort of electric chord for an umbilical chord.

Headmistress, zookeeper said...

Sigh. Cord.

Scott Holtzman said...

If it's just a neutral form of entertainment, what makes people so evangelistic about it?

Ah, throw away statements such as "netural" form of (info) -tainment.

It's been about 9 years for myself and it gets interesting to 'greater degrees' as I observe family & friends reaction & interaction with the curtural black box.

Thanks for the technical information on the tube. Regards.

Kristin said...

I have heard parents say that they can't understand how their children (usually with ADD) can't sit still in a classroom but can sit for hours and watch television. And I tell them it's because the television is reinforcing their short attention span. It has to do with "flicker rate." Do an experiment and see how many seconds a single shot stays on screen before a "cut" to another shot. Usually less than four seconds. In a classroom, there is a constant scene. On T.V. it's constantly changing. Some speculate that it's T.V. that is the cause of the rise in ADD behaviors.

And you're right about people's defensiveness about us getting rid of our T.V. (here, too, the kids see it at Grandma's and an occasional video). We constantly hear that they only let their kids watch the "good stuff" and that there's too much good stuff on the Discovery and History channels that they couldn't do without and of which they wouldn't want to deprive their children. My theory is that they secretly think it's better to do without, but don't know what they'd do with themselves if they did. And that they don't want to seem to "weird."

Tim's Mom said...

The opposing perspective to this is that, yes, television is changing children's minds, but we're an evolving species anyway, and who's to say that a society of creatures with short attention spans is any worse than a society of creatures with long attention spans? And rather than being alarmed and trying to reverse the trend, we should accept it and work with it - by doing things like putting on better TV shows and using more graphics and less text on things like signs.

I don't agree with those thoughts, but I don't quite know how to answer them, either.

Gem said...

We aren't defensive about it, we watch TV unapologetically, but I will confess one reason we don't cut off our cable is because my husband and I are addicted to it! I'd like to say it's him -- I've been seriously considering cancelling, for financial as well as other reasons, but he really 'needs' his news, History Channel, and Sci-Fi Channel, lol. He does work in TV, that is part of his excuse. But if I'm honest with myself, I really don't want to give up my Numb3rs, CSI, or House. I am willing to if it's better for the kids, but I don't waaaaaant to. Yep, I'm a grown up, can't you tell? Our biggest problem is that we can't stop with a little. Our TV is on pretty much all day long. OK, I've convinced myself, we need to have a serious talk here at the Mc's house about the TV. It's got to go or be seriously curtailed!!!

jdavidb said...

Gem, please allow me to point out something you may have overlooked: of the three shows you listed, at least two of them are on broadcast TV! Trade your cable box in for rabbit ears or better yet a good house antenna, and save $40-$100 a month! (And limit the number of incoming shows, too. And limit the reception quality. Both discouraging more viewing. :) )

Headmistress, zookeeper said...

Gem, we never could justify the cost of cable given our income, but whether you keep your television or not is entirely up to you.=) If we lived nearby, we'd be inviting ourselves over to watch the Olympics.=)

At any rate, I am usually more interested in exchanging information than in making sure that everybody makes the same decision I would.

FWIW, I've heard of some people who weaned themselves gently by just deciding they would not watch any new programs. They would watch 'their' shows as long as they were on the air, they just wouldn't pick up new ones. Eventually, every program ends, so they find that gradually their viewing is curtailed gradually and painlessly.

With my addictive preference for reruns of old movies and old detective shows, that wouldn't have worked for me.=)

Mama Squirrel said...

Don't know if anyone has pointed this out yet, but broadcast TV (i.e. it's free, you turn the thing on and you get a show) will be a thing of the past in the very near future. I'm not sure what we will do when that happens; maybe that will be our signal to just quit watching altogether.

jdavidb said...

Mama Squirrel that is (perhaps sadly) not exactly correct. Analog broadcast TV will fade away, although I believe the deadline for this has passed a few times and may pass a few more times. It will be replaced with some kind of "high-definition" and/or "digital" broadcast TV. Your old TV will quit working, but all TVs after a certain point can receive either signal, and you can get an HDTV tuner/antenna setup like a cable box (that you don't have to subscribe to) and feed it into your old TV. If you really want to.

And suddenly I remember that there has been talk of having the government subsidize these converter boxes for those who cannot afford them!!

My Boaz's Ruth said...

The only reason we are justifying cable right now, HM, is because it only costs us $3 more than we would be spending for the high-speed cable we are getting through the cable company if we DIDN'T have cable as well.

(and we can't get it through the phone company. They don't offer it to our building. And the dial-up is too slow to deal with in the building with as much as we are online -- 19.9)

It was nice when the Seahawks went to the playoffs to be able to see them with good reception. I haven't yet gotten addicted (though I do have the TV on more often while doing other things at night. -- Matlock, random movie, etc. But it's still a background noise thing while I'm playing Sims, working on letters, etc. OTOH it does keep me from thinking as much as I should perhaps)

B. Durbin said...

1) For us, "basic" cable (local signals) with internet is actually CHEAPER than the internet connection alone. We don't use it, but hey, take the bargain price and maybe they'll show a basketball game every once in a while.

2) I have known one person who was completely justified in getting extended cable. That was my father-in-law, who had been chronically ill and mostly housebound for twenty years, and whose eyesight had deteriorated to the point where books and magazines were impossible. He was a very intelligent man who was incredibly stubborn about staying alive. He did a good job of it, too... they didn't expect he'd live to see Evil Rob grow up.

3) That's interesting about the flicker rate, since I have the opposite problem— my brain processes images just fast enough that a fast pan in a movie is incredibly painful to watch, not a smooth maneuver but jerk-jerk-jerk-jerk-jerk. Drove me nuts the first time I noticed it (Schindler's List) because I'd just gotten glasses for the first time and the faint blur that smoothed such things over was gone.

Evil Rob notices the flicker too. Our current theory is that it's due to our speed of reading (NOT speed-reading, that's a different thing!) Fifteen years or so ago, I was clocked at over 1,000 words a minute, and I've only sped up since then... and Evil Rob is equally fast. So we think that our brains are trained to catch things going by at a high enough rate that 24 frames per second (movie speed) isn't fact enough to fool us when the motion is drastic. TV is a little better but the resolution creates its own problems.

B. Durbin said...

fast enough.

I don't know why, but I will switch C and S whilst typing. I think that means I am now a competent typist, since I'm making mental typing mistakes instead of functional ones.