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Old Saturday, January 05, 2013
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Question CNS confusion

AOA

i have problem in CNS topic

1 cerebrum and cerebral cortex name of same part of brain

or

name of two different parts?

what are the names of parts of mid brain?
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Old Sunday, January 06, 2013
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Originally Posted by ultimate View Post
AOA

i have problem in CNS topic

1 cerebrum and cerebral cortex name of same part of brain

or

name of two different parts?

what are the names of parts of mid brain?
difference between cerebrum and cerebral cortex,,,

The Cerebrum is the largest part of the brain consisting of the four lobes of the brain. These are the parietal lobe, occipital lobe, frontal lobe, and the temporal lobe. Each lobe carries many different responsibilities. A few of these are as follows: Frontal lobe- reasoning, planning, emotions, speech, and movements. Temporal Lobe- memory, speach, auditory stimuli, and perception and recognition. The parietal lobe-orientation, recognition, stimuli. The Occipital Lobe-visual processing. The Cerebral Cortex is the material filling the grooves seen in brain images. It is responsible for many different senses such as memory, attention, awareness, thought, language, and consciousness. A lot of these movements are associated with the cerebral cortex are voluntary, but not all are.

parts of midbrain.....

these are medulla oblongata, pones and reticular formation

regards
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Old Sunday, January 06, 2013
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Originally Posted by marilatif View Post
difference between cerebrum and cerebral cortex,,,

The Cerebrum is the largest part of the brain consisting of the four lobes of the brain. These are the parietal lobe, occipital lobe, frontal lobe, and the temporal lobe. Each lobe carries many different responsibilities. A few of these are as follows: Frontal lobe- reasoning, planning, emotions, speech, and movements. Temporal Lobe- memory, speach, auditory stimuli, and perception and recognition. The parietal lobe-orientation, recognition, stimuli. The Occipital Lobe-visual processing. The Cerebral Cortex is the material filling the grooves seen in brain images. It is responsible for many different senses such as memory, attention, awareness, thought, language, and consciousness. A lot of these movements are associated with the cerebral cortex are voluntary, but not all are.




parts of midbrain.....

these are medulla oblongata, pones and reticular formation

regards

These are not parts of midbrain.

The medulla oblongata is the lower half of the brainstem .

Source :

http://www.britannica.com/EBchecked/...ulla-oblongata

http://biology.about.com/od/anatomy/...-oblongata.htm

http://en.wikipedia.org/wiki/Medulla_oblongata


The Pones is a portion of the hindbrain that connects the cerebral cortex with the medulla oblongata.

Source :

http://biology.about.com/od/anatomy/p/pons.htm

http://en.wikipedia.org/wiki/Pons


The Reticular formation reticular formation is a group of nerve fibers located inside the brainstem.

Source :

http://biology.about.com/library/org...lreticular.htm

http://www.alleydog.com/glossary/def...ar%20Formation

http://en.wikipedia.org/wiki/Reticular_formation

http://www.wisegeek.com/what-is-the-...-formation.htm
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Last edited by Amna; Sunday, January 06, 2013 at 01:44 AM.
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Old Sunday, January 06, 2013
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Cerebrum:

The Cerebrum is part of the fore-brain that includes the cerebral cortex. It is the largest part of the human brain, consisting of the four lobes of the brain.Each lobe carries many different responsibilities :

1.Frontal lobe- reasoning, planning, emotions, speech, and movements
2.Parietal lobe-orientation, recognition, stimuli
3.Occipital lobe-visual processing
4.Temporal lobe-memory, speech, auditory stimuli, and perception and recognition.


Cerebral Cortex:

The cerebral cortex is the outer outer layer of gray matter in the cerebrum.It consists mainly of neuronal cell bodies and dendrites in humans; associated with higher functions, including language and abstract thought.

Midbrain (mesencephalon):

The midbrain is located below the cerebral cortex, and above the hindbrain . It comprises :


  • Tectum (corpora quadrigemina)
Inferior colliculi -have an auditory function
Superior colliculi-have a visual function
  • Cerebral peduncle-contains many nerve tracts conveying motor information to and from the brain to the rest of the body.
Midbrain tegmentum-forms the floor of the midbrain that surrounds the cerebral aqueduct.
Crus cerebri-anterior portion of the cerebral peduncle which contains the motor tracts
Substantia nigra-black substance; plays an important role in reward, addiction, and movement.
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