Lectures on Stress by Neurobiologist Dr. Robert Sapolsky

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Re: Lectures on Stress by Neurobiologist Dr. Robert Sapolsky

Post  quicksilvercrescendo on Wed 30 Dec 2009, 19:55

Insightful.

Here is the father of biological stress...
http://en.wikipedia.org/wiki/Hans_Selye
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Re: Lectures on Stress by Neurobiologist Dr. Robert Sapolsky

Post  tgII on Thu 31 Dec 2009, 00:35

The good doctor lost my attention when he omitted discussing pathocracy
and the fact this anti-civilization where money is intimately hinged to power
is the major reason for stress, suicide, mental disorders, breakdown and
ultimately destruction of society and individuals.

And now, a little reminiscing to jog people's thinking:



Cheers, psychopaths. drunken
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Re: Lectures on Stress by Neurobiologist Dr. Robert Sapolsky

Post  seraphim on Wed 09 Jun 2010, 08:34

What a good speaker and a serious sense of humor.
The more impossible a thing is the more a person tries to make it happen. If it's a naturally driven impulse to obtain that thing then that is great to improve oneself, but if driven by a parasite or toxin, one ends up dead.
You want to know something utterly terrifying? Here's something terrifying and not surprising. Folks who know about Toxo and its affect on behavior are in the U.S. military. They're interested in Toxo. They're officially intrigued. And I would think they would be intrigued, studying a parasite that makes mammals perhaps do things that everything in their fiber normally tells them not to because it's dangerous and ridiculous and stupid and don't do it. But suddenly with this parasite on board, the mammal is a little bit more likely you go and do it. Who knows? But they are aware of Toxo.
A few years ago, I sat down with a couple of the Toxo docs over in our hospital who do the Toxo testing in the Ob/Gyn clinics. And they hadn't heard about this behavioral story, and I'm going on about how cool and unexpected it is. And suddenly, one of them jumps up, flooded with 40-year-old memories, and says, "I just remembered back when I was a resident, I was doing a surgical transplant rotation. And there was an older surgeon, who said, if you ever get organs from a motorcycle accident death, check the organs for Toxo. I don't know why, but you find a lot of Toxo." And you could see this guy was having a rush of nostalgic memories from back when he was 25 and all because he was being told this weird factoid ... ooh, people who die in motorcycle accidents seem to have high rates of Toxo. Utterly bizarre.

Ingenious! Let's get folks to annihilate themselves! It's no wonder the military would introduce something like that toxin into the population. When they know many people have cats as pets, how effective!
There's a long-standing literature that absolutely shows there's a statistical link between Toxo infection and schizophrenia. It's not a big link, but it's solidly there. Schizophrenics have higher than expected rates of having been infected with Toxo, and not particularly the case for other related parasites. Links between schizophrenia and mothers who had house cats during pregnancy. There's a whole literature on that. So where does this fit in?

That's some great research you dug up Flames! And connecting the dots. Hope a few people silent look into that.

Two really interesting things. Back to dopamine and the tyrosine hydroxylase gene that Toxo somehow ripped off from mammals, which allows it to make more dopamine. Dopamine levels are too high in schizophrenia. That's the leading suggestion of what schizophrenia is about neurochemically. You take Toxo-infected rodents and their brains have elevated levels of dopamine. Final deal is, and this came from Webster's group, you take a rat who's been Toxo-infected and is now at the state where it would find cat urine to be attractive, and you give it drugs that block dopamine receptors, the drugs that are used to treat schizophrenics, and it stops being attracted to the cat urine. There is some schizophrenia connection here with this.

Any time Toxo's picked up in the media, and this schizophrenia angle is brought in, the irresistible angle is the generic crazy cat lady, you know, living in the apartment with 43 cats and their detritus. And that's an irresistible one in terms of Toxo psychiatric status: cats. But God knows what stuff is lurking there.
Who would have known an innocent cat could do this to a person. The military etc. are banking on folks ignorance.
I wonder how many schizophrenic people have tumors in the brain. That's not good. Crying or Very sad
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Re: Lectures on Stress by Neurobiologist Dr. Robert Sapolsky

Post  KapitanScarlet on Wed 08 Dec 2010, 20:12

i dont eat animal meat but i eat tuna and salmon, so i dont preach to anyone about meat eating ethics, but this case caught my attention because it surprised me and was counter intuitive

Stress in animals through butchering

Id seen a guy talking about Halal slaughter so decided to look into it , i would have carried the initial prejudice of most people , that its technique seems barbaric, but according to a german study, its a less horrendous way of slaughtering an animal than the mass meat factory western butcher method

Islamic Halal slaughter has increasingly come under attack from animal rights activists telling tales of barbaric blood-thirsty ritual slaughter. There are two distinct issues: there is the vegetarian agenda which wants to ban all consumption of animal products, and there is the animal rights lobby which argues for a humane method of slaughter.

Do animals have rights?

The vegetarian argument is that killing animals for the benefit of humans is cruel and an infringement of their rights. They put both on the same level without conceding any superiority to humans over animals. This argument is seriously flawed, because if animals had rights comparable to those of humans, they must also have equivalent duties. In other words, we must be able to blame them and punish them if they violate the rights of others. It is absurd that it should be considered a crime for humans to kill a sheep, but natural for a lion to do so. The problem stems from a misconception of the role of human life within the animal kingdom: a denial of purposeful creation within a clearly defined hierarchy degrades humans to the level of any other creature. Yet even then, the argument is illogical: Why should plants, for example, be denied the same protection from a violation of the sanctity of their life?

Is Islamic slaughter cruel?

The question of how an animal should be slaughtered to avoid cruelty is a different one. It is true that when the blood flows from the throat of an animal it looks violent, but just because meat is now bought neatly and hygienically packaged on supermarket shelves does not mean the animal didn’t have to die? Non-Islamic slaughter methods dictate that the animal should be rendered unconscious before slaughter. This is usually achieved by stunning or electrocution. Is it less painful to shoot a bolt into a sheep’s brain or to ring a chicken’s neck than to slit its throat? To watch the procedure does not objectively tell us what the animal feels.

The scientific facts

A team at the university of Hannover in Germany examined these claims through the use of EEG and ECG records during slaughter. Several electrodes were surgically implanted at various points of the skull of all the animals used in the experiment and they were then allowed to recover for several weeks. Some of the animals were subsequently slaughtered the halal way by making a swift, deep incision with a sharp knife on the neck, cutting the jugular veins and carotid arteries of both sides together with the trachea and esophagus but leaving the spinal cord intact. The remainder were stunned before slaughter using a captive bolt pistol method as is customary in Western slaughterhouses. The EEG and ECG recordings allowed to monitor the condition of the brain and heart throughout.

The Halal method

With the halal method of slaughter, there was not change in the EEG graph for the first three seconds after the incision was made, indicating that the animal did not feel any pain from the cut itself. This is not surprising. Often, if we cut ourselves with a sharp implement, we do not notice until some time later. The following three seconds were characterised by a condition of deep sleep-like unconciousness brought about by the draining of large quantities of blood from the body. Thereafter the EEG recorded a zero reading, indicating no pain at all, yet at that time the heart was still beating and the body convulsing vigorously as a reflex reaction of the spinal cord. It is this phase which is most unpleasant to onlookers who are falsely convinced that the animal suffers whilst its brain does actually no longer record any sensual messages.

The Western method

Using the Western method, the animals were apparently unconscious after stunning, and this method of dispatch would appear to be much more peaceful for the onlooker. However, the EEG readings indicated severe pain immediately after stunning. Whereas in the first example, the animal ceases to feel pain due to the brain starvation of blood and oxygen – a brain death, to put it in laymen’s terms – the second example first causes a stoppage of the heart whilst the animal still feels pain. However, there are no unsightly convulsions, which not only means that there is more blood retention in the meat, but also that this method lends itself much more conveniently to the efficiency demands of modern mass slaughter procedures. It is so much easier to dispatch an animal on the conveyor belt, if it does not move.

Appearances can deceive

Not all is what it seems, then. Those who want to outlaw Islamic slaughter, arguing for a humane method of killing animals for food, are actually more concerned about the feelings of people than those of the animals on whose behalf they appear to speak. The stunning method makes mass butchery easier and looks more palatable for the consumer who can deceive himself that the animal did not feel any pain when he goes to buy his cleanly wrapped parcel of meat from the supermarket. Islamic slaughter, on the other hand, does not try to deny that meat consumption means that animals have to die, but is designed to ensure that their loss of life is achieved with a minimum amount of pain.

The holistic view

Islam is a balanced way of life. For Muslims, the privilege of supplementing their diet with animal protein implies a duty to animal welfare, both during the rearing of the animal and during the slaughter. Modern Western farming and slaughter, on the other hand, aims at the mass consumer market and treats the animal as a commodity. Just as battery hens are easier for large-scale egg production, Western slaughter methods are easier for the meat industry, but they do neither the animal nor the end consumer any favours. The Islamic way guarantees a healthier life for the animal and a healthier meat for the consumer.

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