Common

What could be the possible result when the corpus callosum of the brain is damaged?

What could be the possible result when the corpus callosum of the brain is damaged?

Lesions of any part of the corpus callosum might lead to loss of contact between bilateral hemispheres that cause mental disorders, pseudobulbar palsy, speech and movement ataxia.

What causes alien hand syndrome?

Alien hand syndrome can be caused by several factors. Some people develop alien hand syndrome after a stroke, trauma, or tumor. It’s sometimes associated with cancer, neurodegenerative diseases, and brain aneurysms. Alien hand syndrome is linked to brain surgeries that separate the two hemispheres of the brain.

Which hand does alien hand syndrome affect?

Alien hand syndrome (AHS) or Dr. Strangelove syndrome is a category of conditions in which a person experiences their limbs acting seemingly on their own, without conscious control over the actions. There are a variety of clinical conditions that fall under this category, which most commonly affects the left hand.

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What would happen to an individual who suffered damage to the occipital lobe of the brain?

Injury to the occipital lobes may lead to vision impairments such as blindness or blind spots; visual distortions and visual inattention. The occipital lobes are also associated with various behaviors and functions that include: visual recognition; visual attention; and spatial analysis.

What is the function of the corpus callosum?

The two hemispheres in your brain are connected by a thick bundle of nerve fibres called the corpus callosum that ensures both sides of the brain can communicate and send signals to each other.

How common is alien hand syndrome?

Alien hand syndrome is present in approximately 60\% of affected individuals and is a failure to control movement of the hand accompanied by a sensation that the hand is foreign to the patient.

Who first discovered alien hand syndrome?

Alien Hand Syndrome (AHS) is a syndrome where patients with brain injury report involuntary movement, especially of their upper limbs. In 1908, Goldstein first described this syndrome as “a type of apraxia with the feeling of estrangement between the patient and his hand”.

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What causes akinetic mutism?

Akinetic mutism is often the result of severe frontal lobe injury in which the pattern of inhibitory control is one of increasing passivity and gradually decreasing speech and motion.

What causes agenesis?

In most cases, the cause of ACC is unknown. However, agenesis of corpus callosum can be inherited as an autosomal recessive trait or an X-linked dominant trait. This disorder may also be due in part to an infection during pregnancy (intrauterine) leading to abnormal development of the fetal brain.

Is agenesis of the corpus callosum autism?

Roughly one-third of individuals born without this brain structure — a condition known as agenesis of the corpus callosum — meet the diagnostic criteria for autism3. Some studies suggest that autism affects the myelin sheath in the corpus callosum.