Assalamualaikum and Welcome
to...
Glucose: the only form of sugar accepted by the
brain.
Glucose up-close (Haworth
Projection)
Hello Frengers. My name is
Khayriyyah. Friends and lazy people call me
the one syllable version of my name= Kye (rhymes with bye,hi,and sigh).
To avoid confusion in the future, allow me to clarify what this
homepage is all about. This home of mine, in the form of a
page,
is in fact, a course requirement for the KOS 1110
"Computers in Science" course my
classmates and I are taking at International Islamic
University Malaysia. I'm in the Biomedical Kuliyyah, in
my first year, first sem, but none of this today
would be possible if it weren't for the compassion of my
parents.. a couple of people who have seriously high
tolerance toward teenage impulsive, indecisive, and
incomprehensible behavior. Thanks mom and dad. I owe
you a big one.
(haha, understatement of the century...) And then of course
we mustn't forget the good people behind the policy
making... giving me loans and whatnot. Though they are
charging 4% interest. (but who's counting?)
Anyway.
A final token of appreciation would be to the one and only,
Dr. Ibrahim
Noorbatcha! My dear lecturer whose love of tazkirah
has inspired the whole class to do more than just numbly sit
in through class. I'll never forget
the first class when he gave the definition of knowledge:
THE CONTENT OF A PERSON'S MIND. I was blown away.
And then of course, came along the syllabus and the assignments. Some of them were
pretty nerve-wrecking with intricate love-hate relationships involved. For the first two weeks,
I learned that there was much more to Excel than just columns and rows. Heh. Learned to plot
graphs and all that jazz. Then we came to learnHyper-Text Mark Up Language(html),
which of course gave birth to this little baby. And then came Chem Sketch,
which made my Biochem lab reports look way neat... THEN the mother of all computer science assignments...
MAPLE. Yes, the reason I almost went bald. But we did learn
about vrml and 3D pics... which wasn't so bad. You can even see a model of the enzyme Hexokinase and my
littleJewel. Last but not least,
the last of all Maple assignments.. the killer of murderers.. but not too bad on the eyes..
check out my Maple 3D plots and Animation!
That's about the gist of my Computers in Science course, but here's what I really want to
gab on about..The beauticious brain! So, let's waste no more time. Let us dive into the
convolutions...
Main
Functions
Quick riddle: What's pale, heavy, folded and on the verge
of a nervous breakdown?
Answer: My
brain after trying to figure out how to do the 24 questions of
the KOS 1110 computer assignment.
Okay. Riddles
and jokes about computers and assignments aside, let us
take a look at one particular computer with the ability to
process an infinite amount of assignments without breaking
a sweat.
The human BRAIN.
Main
Functions:-
- receives sensory input from internal and external
environment
- integrates and processes the information
- if necessary, generates a proper response
Sounds
simple? Sounds complicated? Here's a brief overview of
the brain
working in an everyday situation.
Let's say I'm on
my way back from school. I'm walking, I'm walking, and
*gasp* I see an angry looking pit bull across the
street.
![](pitbull.bmp)
- Sensory/vision input? : angry looking dog glaring at me
- Information processed? : memory of getting chased
flashes by. ANGRY DOG= CHASE. CHASE= BITE. BITE= FEAR
- Response generated? : adrenaline levels in my blood is
raised. my heart is stimulated to pump even harder to
supply more oxygen to my muscles (just in case a 500 meter
sprint is in order). my lips turn pale with loss of blood from
the surface to conserve heat.
BUT THEN. A
voice calls from the house behind. Something along the
lines of, "Flower, come get your dinner!". The angry dog loses
its hard look and begins to pant. He happily trots
away.
- Sensory/vision input?: dog moving away.
- Information processed?: danger is gone. Fear is
subsiding. No need to panic, kid. False alarm.
- Response generated?:adrenaline levels decreased.
heart stops thumping a million kilometers a second. blood
returns to lips.
And here's the
cool part. All of that can happen under only a few seconds!
So you thought Michael Schumacher burning rubber on the
Sepang Circuit was the equivalent of speed, huh?
Let's see Schumacher try to beat the speed of an average
human's thought or the transmitting of an impulse along a
nerve axon! Well, assuming that person isn't under the
influence of drugs that is... But simply put, everyone knows
how wonderful and enigmatic the heaviest organ
in the human body is. How dependent we are on the King of
the High Throne. Yet, how many of us really know how our
brains look like? I'm guessing none. Unless you've gone
through brain transplant and managed to get the
neurosurgeon to take the picture of your brain. But chances
are for most of us,
if we were walking back from the train station and bumped
into our own brains, we wouldn't recognize it enough to say
hello. But to put it generally, this is how your nogan would
look like.
well, somewhat anyway...
![](brain-lateral.gif)
Anatomically,
the brain is divided into 2 hemispheres. The right
hemisphere and the left hemisphere, respectively. Here's a
quick one. Which hemisphere controls detailed imaging in
lefties? Left? Right?
If you
answered left, good guess. However, the correct guess
would be right. Courtesy of www.forumgarden.com,
Professor Glyn Humphreys from the University's School of
Psychology had this to say:
"In
right-handed people the right hemisphere sees the whole
picture, whereas the left hemisphere attends to the details.
However, we have found that in left-handed people, this is
completely reversed.
Not only our language function, but even the way we see
the world can depend on our
handedness."
But on the
physiological side, I've always been intrigued by the more
abstract functions of the brain. Subjects such as dreams,
ambitions,
sadness, joy... Why do we love? Why do we hate? Why do
we desire? All of these are somehow related to the brain..
yet somehow not.. if that makes any sense.
To put into
example by what I'm really getting at, which is a long ehem,
'thoughtful' tazkirah on the brain, man and the Creator,
which will be served a bit later,
let's just look at a common, best-beloved human past time,
sleep, and how it still is baffling neurophysiologists all over
the world.
Sleep...
So, why do we
sleep? Oh, because we're tired... But, then. Is getting tired
the function of sleepiness,
or is sleepiness the function of weariness?How's that for a
tease for your brain. :)
Prior to the
1960's, sleep was linked to the brain's inactivity. But later,
experiments began to show scientists that the oxygen
required
and consumed by the brain during sleep, i.e it's 'inactivity'
was equal if not exceeded the requirement during
awake-state. Thus, came the conclusion that sleep, instead
of being a state
of inactivity, is very much an active process. Analogically,
and this is me trying to make things easier to understand for
myself, perhaps the human brain is like a big rechargeable
cell. After being drained
handling physiological functions of an average man on his
average day, sleep is the brain's equivalent of plugging
itself to an electrical socket.. (though, don't quote me on
this one!)
Sleep has also
been recently discovered to be linked with immunity. As
many sleep-inducing factors identified are also the same
substances which enhances the immune system. Maybe
that's why they say there's no better drug than sleep, yeah?
A final word on sleep would be to relate it to dreams. The
two major phases recognized in sleep are:
- REM a.k.a Rapid Eye movement
- non-REM a.k.a Slow-wave Sleep
Ironically
enough, it is during REM sleep that humans make a trip to
Dreamland and face odd events in bizarre settings. The
eyes move behind closed lids,
as if following the action of the dreams. Sleepers are most
likely to wake up spontaneously from periods of REM sleep.
Think back on that horrible nightmare you had recently.
Didn't you suddenly wake up with a jolt, profusely sweating?
Only during REM folks. Only during REM.
Sleepwalking...
Sleepwalker,
don't be shy
Now don't open your eyes tonight
You'll be the one that defends my life
While I'm dead asleep dreamin'
Cupid, don't
draw back your bow
Sam Cooke didn't know what I know
I'll never be your valentine
The sleepwalker in me
And God only know that I've tried
Let me in, let me drown or learn how to swim
Just don't leave me at the window
I could be the one to be your next best friend
You may need someone to hold you
Sleepwalker, take this knife
You may see someone tonight
You'd be the one that saves my life
When I'm dead asleep dreamin'
Yes, The
Wallflowers made a beautiful song called 'Sleepwalker'..
and as much as I adore Jakob Dylan and his heartfelt lyrics, I
doubt he was talking about the sleep behavior disorder
when he penned down that song...
Truth be told, how many of us really know about
sleepwalking? Here's just a bit of on-the-surface info for the
more curious cats among us.
Sleepwalking
(somnabulism= somnus, meaning sleep; and ambulara,
meaning to walk) is most common in children, and the
frequency of episodes is known to decline with age. Yeah,
we can relate with that.
Or wait, maybe we can relate to the opposite of that.
Hands up to people who, once or twice in their traumatic
childhood days, woke up in the middle of the night with the
urge to visit the bathroom... then later in the morning
discover that your detailed trip to the loo was all but in
your head, your bum feels damp and cool, and your mom's
screaming at you?
But then, bedwetting is another disorder for another time.
Excuse my digression. But like the above example, all the
actions happen like those in a dream. Quite the opposite to
sleepwalking, which only happens during deep sleep.
(recall that dreams only happen during REM, and not deep
sleep) Sleepwalking, which
generally lasts somewhere between 30 seconds to 30
minutes, is experienced with the sleepwalker's eyes open,
allowing freedom from nasty trips and bumping into lamps
and etc. Some sleepwalkers are even known to do tasks
like washing dishes and folding clothes! (perhaps if one had
a sleepwalking roommate, one could conveniently leave
one's laundry at the foot of her bed every other night...) And
here's the cool part. Although the sleepwalker's eyes were
open throughout the episode, upon waking up, the
sleepwalker will have little, if any, recollection of his or her
nocturnal adventure...
Tazkirah
Tazkirah time!
Done we are talking about the scientific aspects of sleep,
dreaming, and sleepwalking, allow me to invite you for a
brief moment of pondering... for how dreadfully boring life
for the human brain would be
if it wasn't spent on at least a few minutes of deep thought,
worry, confusion, and enlightenment.
We all know
that Prophet Muhammad, Rasullah SAW received
revelations from Allah SWT and from those revelations
came the Al-Quran. Often, as modern Muslims, we take this
phenomenon for granted. For a man to receive revelations
from the Heavens, at a glance (and a secular scientific
glance at that) seems absurd.
How do revelations come 'down'? Where does 'it' come
down to? The logical deduction, seeing as to how the act
of receiving any information is associated to 'thinking', and
'thinking' is associated to the functions of the brain, we
assume that revelations fall from the Heavens into the
brain/mind of man. Yet, how this occurs is an untangible
mystery. One, which perhaps, is
better left undeciphered. The closest that science has
come to deciphering 'dreams'(another 'normal'
physiological process that men undergo, which is in
scientific fact, rather 'abnormal') are neurological
processes and chemical reactions, with loopholes here and
there. But, WHY do men dream? WHY do men think? WHY
am I, in this moment in front of my computer, completely
besotted by why I think and why I'm besotted by why I think?
A novice in science and the scientific community,
the more I learn and read and understand about the
natural world and occurences, it is always the How and
What that science explains... and Why is often left to
speculation. So far, it must be said, that the line that holds
me to faith and religion is the WHY surrounding humans and
the world. There is a comfort in believing that there is a
reason for everything
that has happened, and will happen, and one day that
reason will be made known...
Perhaps, the
fact that men think, half with their brains, half with
Wallahualam, is the biggest retort to evolution. At least the
evolution that believes humans are just a more developed
species of animals, anyway. For some reason, some human
brains prefer to accept flimsy theories of evolution (Ernst
Haeckel's 'ontology recapitulating phylogeny' being one of
the flimsiest, not to mention fraudulent) than to humbly
accept that there
is a greater omnipotent Being that no one can really claim
to see, understand or can be sure of His existence, other
than through pure faith. Lifting from ''Ulum Al-Quran-An
introduction to the Sciences of the Quran' by Ahmad Von
Denffer (Islamic Foundation, 1983):
"No
empiricist would deny that the earth and universe do exist.
It is only that he does not always perceive them as
'creation', for then he would have to argue from material
evidence that he has to a mighty and puissant cause, to
reason and purpose behind it."
"Despite
this, man denies God and disregards His communication
with man. Suffice to say that the cause must be seen in
man's self-perception,
his arrogance and false pride. Having discovered that he
and his kind constitute the peak of 'creation', he thinks
himself autonomous, self-dependent, absolutely free and
fully equipped to be master of the universe. Somehow,
this self-perception too has been with man from his early
days. He has always thought himself better than anything
else."
Guilty as
above charged... and yet, at the same time, I can't help but
wonder if the reasons behind my questions is directly
related to Allah SWT's good grace.
"And those (pagans) who have no knowledge say: 'Why does not Allah speak to us or a sign come to us?' Even thus said those before them, the like of what they say; their hearts are alike; We have indeed made clear the signs to people who are certainly sure."
Holy Qur'an (2:118)
There is a force that
beckons man to wonder his origins and not merely accept
his being as the means and end to his being. There was a
before, and there will be an after. But the mechanics of
either are only understood by faith.
To
experience my indulgence into narcissism,link to my
personal homepage by clicking on the wittle girl.Caution:
She's not as sweet as she looks...
Sources:
Cliparts courtesy of fotosearch.com and
www.brainconnection.com. Information based on Dee
Unglaub Silverthorn's
3rd edition of "Human Physiology: An Integrated
Approach";Pearsons. Ahmad Von Denffer's 'Ulum Al-Quran-
An Introduction to the Sciences
of the Quran';The Islamic Foundation.