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Pyramidal or Corticospinal Tract
The corticospinal or pyramidal tract is a collection of axons that travel between the cerebral cortex of the brain and the spinal cord.
The corticospinal tract mostly contains motor axons. It actually consists of two separate tracts in the spinal cord: the lateral corticospinal tract and the anterior corticospinal tract. An understanding of these tracts leads to an understanding of why for the most part, one side of the body is controlled by the opposite side of the brain.
Also the corticobulbar tract is considered to be a pyramidal tract. The corticobulbar tract carries signals that control motor neurons located in cranial nerve brain nuclei rather than motor neurons located in the spinal cord.
The neurons of the pyramidal tracts are pyramidal neurons, but that is not how the pyramidal tract got its name, as most of the pyramidal neurons send their axons elsewhere. Instead, it got its name from the shape of the corticospinal axon tracts: when the pyramidal tract passes the medulla, it forms a dense bundle of nerve fibres that is shaped somewhat like a pyramid.
The corticospinal tract is concerned specifically with discrete voluntary skilled movements, especially of the distal parts of the limbs. (Sometimes called "fractionated" movements)
In human anatomy, the extrapyramidal system is a neural network located in the brain that is part of the motor system involved in the coordination of movement. The system is called "extrapyramidal" to distinguish it from the tracts of the motor cortex that reach their targets by traveling through the "pyramids" of the medulla. The pyramidal pathways (corticospinal and some corticobulbar tracts) may directly innervate motor neurons of the spinal cord or brainstem (anterior (ventral) horn cells or certain cranial nerve nuclei), whereas the extrapyramidal system centers around the modulation and regulation (indirect control) of anterior (ventral) horn cells.
Extrapyramidal tracts are chiefly found in the reticular formation of the pons and medulla, and target neurons in the spinal cord involved in reflexes, locomotion, complex movements, and postural control. These tracts are in turn modulated by various parts of the central nervous system, including the nigrostriatal pathway, the basal ganglia, the cerebellum, the vestibular nuclei, and different sensory areas of the cerebral cortex. All of these regulatory components can be considered part of the extrapyramidal system, in that they modulate motor activity without directly innervating motor neurons.
An android is a robot or synthetic organism designed to look and act like a human. Until recently, androids have largely remained within the domain of science fiction, frequently seen in film and television.
Professor Geek has designed a computer program for android from Nassau to demonstrate how androids can develop bad habits or addictions same as humans.
Program reads as follows:
Reduce as much workload on processor as possible.
Test to see if workload is vital or waste of energy.
If workload test as vital, then activate processor to engage motor movements.
Activate pyramidal tract to engage motor movements.
If workload test as waste of energy, then relay negative impulses to extrapyramidal system to activate autonomic motor operations.
Don't re-test workload. Inevitably, extrapyramidal system will automatically shut down android and it will self destruct.
Moral of my story is: Androids are replicas of humanoids. Our humanoid mind has been programmed to test workload on our brain to see if it is a waste or energy. Our brain will relay negative impulses to our our extrapyramidal system to activate our autonomic motor operations. We no longer worry about our behaviors because worry magnifies workload on our brain. As a result, humanoids will develop bad habits or addictions that inevitably cause humanoids to shut down or self destruct.
Rule 36 Requests for Admission
Please check [X] ADMIT or DENY to my following requests for admission:
- [ ] ADMIT [ ] DENY Androids are not science fiction
- [ ] ADMIT [ ] DENY Government has built androids
- [ ] ADMIT [ ] DENY Androids are replicas of humanoids
- [ ] ADMIT [ ] DENY Humanoids are human beings
- [ ] ADMIT [ ] DENY Humanoids develop bad habits
- [ ] ADMIT [ ] DENY Humanoid develops addictions
- [ ] ADMIT [ ] DENY Human brain has been programmed
- [ ] ADMIT [ ] DENY Human brain reduces workload
- [ ] ADMIT [ ] DENY Worry drains energy from the brain
- [ ] ADMIT [ ] DENY Brain relays negative impulses to extrapyramidal system
- [ ] ADMIT [ ] DENY Negative impulses activate autonomic operations
- [ ] ADMIT [ ] DENY Brain no longer re-test negative impulses
- [ ] ADMIT [ ] DENY Humanoids will shut down or self destruct
- [ ] ADMIT [ ] DENY Prison is a place to rehabilitate humanoids
- [ ] ADMIT [ ] DENY Humanoids are suffering imprisonment
Hollywood has made believe that androids have been science fiction.
In reality, the government has constructed androids as exact replicas of humanoid species.
Androids will inevitably become programmed to serve as military combat soldiers.
Government has found humanoid soldiers to be expendable because a man or woman can be replaced by androids or robotic limbs.
Our society must denounce our government for concealing experiments with androids or robotic limbs even Pixie Dust.
Rather, if we stay away from war and keep our troops at home then soldiers keep their own limbs.
It sounds too good to be true: a substance called Pixie Dust that is capable of re-growing human limbs. But it’s real, and it’s already being used by surgeons to save wounded soldiers in Afghanistan. The powder, which is actually made up of a collagen-filled substance from pig bladder called extracellular matrix, has previously been used to regrow human bladders, and now it’s set to revolutionize the treatment of amputated limbs.
Last edited by stanleyg5; 08-19-2010 at 02:29 PM. Reason: mod
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