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Doctor insights on: How Does The Brain Process Visual Information

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Interested to know how does brain fever affect the brain?

Interested to know how does brain fever affect the brain?

Fever and brain: The brain is sensitive to states of high fever. Certain cells may die and a patient with sufficiently elevated temperature can convulse. ...Read more

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Can you tell me in a comprehensive description how does blepharitis affect the vision process and how is the persons sight affected?

Can you tell me in a comprehensive description how does blepharitis affect the vision process and how is the persons sight affected?

Minimal effect: Blepharitis is a dandruff like infection of the eyelids. At its worst, it might dump some debris in the eye causing irritation to disturb the vision a little. If you have blepharitis and your vision is being disturbed, then you may have a second problem and should have it evaluated by your ophthalmologist. ...Read more

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How does secondary brain cancer get into the brain? Can it cross the blood brain barrier?

How does secondary brain cancer get into the brain? Can it cross the blood brain barrier?

Yes!: Cabncer cells travel via the blood and can get to the brain just like they do to all other body parts/sites. They are very invasive and are capable of breaking the blood brain barrier easily! ...Read more

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Can anyone list down brain tumors affecting the visual filed according to the levels of visual pathway?

Can anyone list down brain tumors affecting the visual filed according to the levels of visual pathway?

Sella Turcica tumors: The optic nerve chiasm crosses over the area at the base of the skull called the sella turcica (or pituitary fossa). Tumors arising from this area can put pressure on the optic chiasm and cause visual field defects. By far the most common are pituitary Adenomas. Other tumors in this area are craniopharyngioma, Rathke's cysts, germinoma, and Meningioma. ...Read more

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How does alzheimer's change the brain's functioning?

How does alzheimer's change the brain's functioning?

Tissue Destruction: Alzheimrs disease is characterized by destruction of brain tissue in multiple brain areas. At first this is associated with simple forgetfullness, but in late stages people have loss of sphincter control, inability to bathe, dress and feed themselves. Under the microscope, the brains of alzheimer's patients show areas of tangled nerve cells. ...Read more

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What is apoptosis and how does it relate to brain disorders?

What is apoptosis and how does it relate to brain disorders?

Dying of cells: Apoptosis is a programmed cell death process. If it occurs in the brain cells then is can cause many different neurological diseases such as parkinsons, alzheimers, and other dementias. ...Read more

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How can brain fever affect the brain?

How can  brain fever affect the brain?

Brain fever: By brain fever i presume you mean meningitis or encephalitis. These disorders can cause damage to brain due to inflammation, direct toxicity to nerve cells, inflaming or obstruction of blood vessels and brain swelling. ...Read more

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Why does aphasia only effect the language center of your brain?

Why does aphasia only effect the language center of your brain?

Aphasia describes or: categorizes signs of damage from trauma, tumor, infection, "stroke" or neurodegenerative disorder in areas of the brain needed to understand & express verbal & written language.The areas & severity of brain damage dictate the type of aphasia as well as what descriptors are used for other functional impairments. See: www.mayoclinic.org/diseases-conditions/aphasia/basics/symptoms/con-20027061 ...Read more

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Does cancer, not of the brain and without treatment" affect memory?

Does cancer, not of the brain and without treatment" affect memory?

"Does" v "Can"...: "Does" it leads to a different answer than "Can" it. Cancer that is localized, not in the brain, and not being treated most commonly won't affect memory. However, "can" it generates a very different answer: yes. The subconscious brain can sense something is wrong and this can generate a stress reaction (affecting memory). Or, paraneoplastic effects (biochemical) can affect memory. ...Read more

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How does brain cancer affect the brain?

How does brain cancer affect the brain?

It depends: This is a difficult question to answer because it really depends on where the cancer is in the brain and how extensive it is. Different parts of the brain are responsible for different things. So for example it is possible that a brain cancer could impact someone's speech for one person but not another. ...Read more

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How long does a benign brain tumor in the temporal lobe take to start having an effect on brain activity?

How long does a benign brain tumor in the temporal lobe take to start having an effect on brain activity?

Depends: Brain dysfunction will be determined by the amount of pressure placed on the area. This will depend upon the growth rate of the underlying brain tumor. The only way to know this is to obtain serial imaging studies and measure the lesion over time. ...Read more

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How do visual impairments affect the brain?

How do visual impairments affect the brain?

Boosts other senses: The brain pays more attention to hearing, smell, touch, etc. When deprived of sight. These senses do not actually improve; when tested objectively blind people don't "hear better", but the brain can certainly pay much closer attention to the information. It would be very hard to read braille were this not the case. ...Read more

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Hoping you can tell me, is brain injury/ brain damage the same as a mental illness?

Hoping you can tell me, is brain injury/ brain damage the same as a mental illness?

No: Brain injury is damage to the brain as an organ. Most mental illness is seen in patients without a structural abnormality of the brain as an organ. However, some patients who have had brain injury are predisposed to certain forms or mental illness down the road. ...Read more

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What is apoptosis and how does it relate to brain?

What is apoptosis and how does it relate to brain?

Dying of cells: Apoptosis is a programmed cell death process. If it occurs in the brain cells then is can cause many different neurological diseases such as parkinsons, alzheimers, and other dementias. ...Read more

Dr. Alan Ali Dr. Ali
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Can you tell me how cells on the tongue register the sensation of taste and how does the brain interpret these signals?

Dr. Alan Ali Dr. Ali
1 doctor agreed:
Can you tell me how cells on the tongue register the sensation of taste and how does the brain interpret these signals?

Taste: Taste buds on tongue have receptors that send information to the brain through cranial nerves 7th., 9th. & 10th. cranial nerves. ...Read more

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What duration of full body Anesthesia will cause damage to the brain? Will that decrease your IQ? Is the brain unrecoverable from the damage?

What duration of full body Anesthesia will cause damage to the brain? Will that decrease your IQ? Is the brain unrecoverable from the damage?

Odd question: Where did you get the idea that anesthesia causes brain damage? Anesthesia is a controlled sequence of dropping sensation but while preserving/supporting body functions like breathing, oxygen exchange, fluid balance. These do not damage if done properly. If your question is really about coma, the involuntary loss of consciousness,outcome is determined by the cause of the coma. ...Read more

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How does having brain cancer affect the brain function?

How does having brain cancer affect the brain function?

Location: This is entirely dependent on the location of the tumor. There will be certain dysfunction by the affected area of the brain where the tumor is. It also is dependent on the side of the brain where the tumor is. ...Read more

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How does Alzheimer's disease affect the brain tissue?

How does Alzheimer's disease affect the brain tissue?

Multiple ways: Deposits of amyloid (plaques) and tau (tangles). Disruption of synaptic function. Loss of neurotransmitters such as acetylcholine. Neuronal death. ...Read more