Cerebral atrophy is a common feature of many of the diseases that affect the brain. Atrophy of any tissue means a decrement in the size of the cell, which can be due to progressive loss of cytoplasmic proteins. In brain tissue, atrophy describes a loss of neurons and the connections between them. Atrophy can be generalized, which means that all of the brain has shrunk; or it can be focal, affecting only a limited area of the brain and resulting in a decrease of the functions that area of the brain controls. If the cerebral hemispheres (the two lobes of the brain that form the cerebrum) are affected, conscious thought and voluntary processes may be impaired.

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  • ضُمُورُ الدماغ أو ضمور المخ (بالإنجليزية: Cerebral atrophy). هو من الملامح الموجودة في العديد من امراض الدماغ و تحصل عندما تموت خلايا الاعصاب و الخلايا التي تصل بينهم, قد يكون الضمور عمومي او بؤري. يعدّ ضمور المّخ من الامراض العصبيّة التي تصيب الأعصاب، وهو عرض للكثير من الأمراض التي تؤثر بوظيفة الدّماغ الرئيسيّة ، وضمور المّخ هوعبارة عن تلّف وفقدان في خلايا المخ ككل أو جزء منها مما يسبب قصور وفقدان للقيام بالعمليات الإرادية وعمليات التفكير والتركيز لدى الانسان. (ar)
  • Als Hirnatrophie (umgangssprachlich: Gehirnschwund) bezeichnet man einen allmählichen Verlust von Hirnsubstanz. In gewissem Umfang ist ein Rückgang von Volumen und Masse des Gehirns mit fortschreitendem Alter normal, man verliert ab dem 20. Lebensjahr etwa 50.000 bis 100.000 Hirnzellen täglich. Nur über die für das Altersmaß hinausgehende Veränderungen werden als Hirnatrophie bezeichnet. Langfristig kann Hirnatrophie zu neurologischen Ausfallerscheinungen und zum fortschreitenden Verlust der kognitiven Leistungsfähigkeit führen. Es gibt aber keinen linearen Zusammenhang zwischen Ausmaß der Atrophie und Leistungsminderung. (de)
  • Cerebral atrophy is a common feature of many of the diseases that affect the brain. Atrophy of any tissue means a decrement in the size of the cell, which can be due to progressive loss of cytoplasmic proteins. In brain tissue, atrophy describes a loss of neurons and the connections between them. Atrophy can be generalized, which means that all of the brain has shrunk; or it can be focal, affecting only a limited area of the brain and resulting in a decrease of the functions that area of the brain controls. If the cerebral hemispheres (the two lobes of the brain that form the cerebrum) are affected, conscious thought and voluntary processes may be impaired. Some degree of cerebral shrinkage occurs naturally with age; after the brain completes growth and attains its maximum mass at around age 25[citation needed], it gradually loses mass with each decade of life, although the rate of loss is comparatively tiny until the age of 60, when approximately .5 to 1% of brain volume is lost per year. By age 75, the brain is an average of 15% smaller than it was at 25. Some areas of the brain such as short-term memory are affected more than others and men lose more brain mass overall than women.[citation needed] Cerebral atrophy greatly increases in elderly persons (meaning over the age of 75) and especially causes a diminution of functions such as judgement and social appropriateness (which results in the typical characteristic of elderly people engaging in inappropriate or offensive behaviors in front of others). Brain atrophy does not affect all regions with the same intensity as shown by neuroimaging. (en)
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  • ضُمُورُ الدماغ أو ضمور المخ (بالإنجليزية: Cerebral atrophy). هو من الملامح الموجودة في العديد من امراض الدماغ و تحصل عندما تموت خلايا الاعصاب و الخلايا التي تصل بينهم, قد يكون الضمور عمومي او بؤري. يعدّ ضمور المّخ من الامراض العصبيّة التي تصيب الأعصاب، وهو عرض للكثير من الأمراض التي تؤثر بوظيفة الدّماغ الرئيسيّة ، وضمور المّخ هوعبارة عن تلّف وفقدان في خلايا المخ ككل أو جزء منها مما يسبب قصور وفقدان للقيام بالعمليات الإرادية وعمليات التفكير والتركيز لدى الانسان. (ar)
  • Als Hirnatrophie (umgangssprachlich: Gehirnschwund) bezeichnet man einen allmählichen Verlust von Hirnsubstanz. In gewissem Umfang ist ein Rückgang von Volumen und Masse des Gehirns mit fortschreitendem Alter normal, man verliert ab dem 20. Lebensjahr etwa 50.000 bis 100.000 Hirnzellen täglich. Nur über die für das Altersmaß hinausgehende Veränderungen werden als Hirnatrophie bezeichnet. Langfristig kann Hirnatrophie zu neurologischen Ausfallerscheinungen und zum fortschreitenden Verlust der kognitiven Leistungsfähigkeit führen. Es gibt aber keinen linearen Zusammenhang zwischen Ausmaß der Atrophie und Leistungsminderung. (de)
  • Cerebral atrophy is a common feature of many of the diseases that affect the brain. Atrophy of any tissue means a decrement in the size of the cell, which can be due to progressive loss of cytoplasmic proteins. In brain tissue, atrophy describes a loss of neurons and the connections between them. Atrophy can be generalized, which means that all of the brain has shrunk; or it can be focal, affecting only a limited area of the brain and resulting in a decrease of the functions that area of the brain controls. If the cerebral hemispheres (the two lobes of the brain that form the cerebrum) are affected, conscious thought and voluntary processes may be impaired. (en)
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  • ضمور الدماغ (ar)
  • Cerebral atrophy (en)
  • Hirnatrophie (de)
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