Brain atrophy belongs to which department?

Written by Yin Shun Xiong

Neurology

Updated on February 07, 2025

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Brain atrophy is divided into physiological brain atrophy and pathological brain atrophy. If brain atrophy occurs as a person ages normally and matches their age, this is considered a normal condition. For example, the brain atrophy in an 80-year-old will definitely be more evident than that in a 60-year-old. Such brain atrophy is a physiological change and does not need attention. Secondly, there is pathological brain atrophy, associated with certain diseases, primarily related to neurology, such as frontotemporal dementia, Alzheimer's disease, etc. These conditions require consultation in neurology.

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Written by Zhang Hui

Neurology

58sec

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The difference between cerebral atrophy and cerebellar atrophy.

Whether it is cerebral atrophy or cerebellar atrophy, these are concepts in imaging. They are generally detected through cranial CT or MRI scans, resulting in such diagnoses in imaging reports. Generally, cerebral atrophy mainly refers to the atrophy of the cerebral cortex, which includes areas like the frontal lobe, temporal lobe, hippocampus, and parietal lobe. The cerebral cortex is closely related to cognitive functions, movement, sensation, and emotions of the limbs. Patients with cerebral atrophy typically show a decline in intelligence, slow reactions, and dysfunction of bladder and bowel control, etc. The cerebellum mainly coordinates the body's integrative movements and ensures the fluent execution of limb movements. Therefore, cerebellar atrophy primarily leads to symptoms of ataxia, like finger tremors and unsteady walking.

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Written by Zhang Hui

Neurology

43sec

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Symptoms of cerebral atrophy

Mild cerebral atrophy may not present any clinical symptoms, and many elderly people show some degree of cerebral atrophy during imaging examinations, which should not be overly worrying. If the cerebral atrophy is more pronounced, it mainly manifests as cognitive dysfunction, such as a decline in memory, reduced computational abilities, diminished executive functions, and possibly the inability to perform complex movements, such as being unable to brush one's teeth or dress oneself. In severe cases, individuals may experience personality changes, becoming irritable, easily angered, suspicious, and may even exhibit psychiatric symptoms, primarily hallucinations.

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Written by Zhang Hui

Neurology

1min 3sec

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Can cerebellar atrophy be treated?

Cerebellar atrophy is a finding observed in imaging studies, often discovered during imaging exams without necessarily presenting corresponding clinical symptoms. The possibility of treating cerebellar atrophy depends primarily on its underlying cause. For instance, cerebellar atrophy caused by genetic disorders, such as spinocerebellar ataxia, which results from genetic mutations, lacks highly effective treatment options. The primary approach in such cases is symptomatic treatment, including administering medications that nourish the nerves. Generally, these diseases progressively worsen. Cerebellar atrophy can also be due to neurodegenerative diseases like multiple system atrophy, which are untreatable. However, cerebellar atrophy caused by long-term alcohol consumption may improve to some extent with abstinence and high doses of vitamin B complex. Additionally, cerebellar atrophy resulting from chronic significant ischemia can be alleviated by addressing the ischemic conditions.

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Written by Zhang Hui

Neurology

51sec

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Is brain atrophy hereditary?

There are many causes of brain atrophy; whether it is hereditary depends on the specific disease causing it. Most diseases leading to brain atrophy are not hereditary. For instance, some patients suffer brain atrophy due to Alzheimer's disease, where the neurons die irreversibly. This disease is mostly sporadic and does not have a clear hereditary tendency. Of course, a few cases of Alzheimer's do have a family history and may have a genetic propensity. Additionally, brain atrophy can also occur due to intoxication, such as from alcohol, carbon monoxide, or other toxic substances, and these cases definitely are not hereditary. Some patients experience brain atrophy due to cerebral thrombosis, which also lacks a genetic predisposition.

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Written by Li Jiao Yan

Neonatology

1min 22sec

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Symptoms of baby brain atrophy

The symptoms of baby brain atrophy include the following: First, the child shows no interest in the surroundings, poor responsiveness, significantly reduced movements, poor sucking ability, and often chokes on milk. Second, the child with brain atrophy exhibits abnormal muscle tone and posture. Symptoms of cerebellar atrophy include difficulty in abducting the thighs, difficulty in extending the knees, legs straightened and adducted when held upright, legs crossed in a scissor-like manner, bent elbow and wrist joints, and the hands often clenched with the thumb turned inward. Third, congenital reflexes are weakened or may not appear at all, such as the rooting reflex, grasp reflex, and embrace reflex, which are either weakened or completely absent. Fourth, there is limited voluntary movement; the baby cannot reach out voluntarily to grab liked objects after five months or always uses one hand to reach for things. Fifth, there are signs of intellectual disability, delayed language development, or language disorders.