Cognitive Conditions. Mild cognitive impairment (MCI): A brain function syndrome involving the onset and evolution of cognitive impairments beyond those expected based on the age and education of the individual, but which are not significant enough to interfere with their daily activities. Dementia: A loss of mental ability severe enough to interfere with normal activities of daily living, lasting more than six months, not present since birth, and not associated with a loss or alteration of consciousness. It is a group of symptoms caused by gradual death of brain cells. The loss leads to impairments in memory, reasoning, planning, and behavior. Degeneration usually occurs in the cerebral cortex, the part of the brain responsible for thoughts, memories, actions, and personality. Alzheimer's Disease (AD): The most common cause of dementia, accounting for one-half to three- fourths of all cases. The brain of a person with AD becomes clogged with two abnormal structures called neurofibrillary tangles and senile plaques. A gradual decline in mental functions, beginning with slight memory loss, followed by the inability to plan and execute familiar tasks, and to reason and exercise judgment. Communication ability, mood, and personality also may be affected. Most people who have AD die within eight years of their diagnosis. It is the fourth leading cause of death in adults after heart disease, cancer, and stroke.
Cognitive Conditions. Mild cognitive impairment (MCI): A brain function syndrome involving the onset and evolution of cognitive impairments beyond those expected based on the age and education of the individual, but which are not significant enough to interfere with their daily activities. Dementia: A loss of mental ability severe enough to interfere with normal activities of daily living, lasting more than six months, not present since birth, and not associated with a loss or alteration of consciousness. It is a group of symptoms caused by gradual death of brain cells. The loss leads to impairments in memory, reasoning, planning, and behavior. Degeneration usually occurs in the cerebral cortex, the part of the brain responsible for thoughts, memories, actions, and personality. Alzheimer's Disease (AD): The most common cause of dementia, accounting for one-half to three- fourths of all cases. The brain of a person with AD becomes clogged with two abnormal structures called neurofibrillary tangles and senile plaques. A gradual decline in mental functions, beginning with slight memory loss, followed by the inability to plan and execute familiar tasks, and to reason and exercise judgment. Communication ability, mood, and personality also may be affected. Most people who have AD die within eight years of their diagnosis. It is the fourth leading cause of death in adults after heart disease, cancer, and stroke.
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter18: Genetics Of Behavior
Section: Chapter Questions
Problem 13QP
Related questions
Question
Write in paragraphs. Simplify the three definitions and make them simple to understand. How do they relate to aging and cognitive function?
Transcribed Image Text:Cognitive Conditions.
Mild cognitive impairment (MCI): A brain function syndrome involving the onset and evolution of
cognitive impairments beyond those expected based on the age and education of the individual, but
which are not significant enough to interfere with their daily activities.
Dementia: A loss of mental ability severe enough to interfere with normal activities of daily living,
lasting more than six months, not present since birth, and not associated with a loss or alteration of
consciousness. It is a group of symptoms caused by gradual death of brain cells. The loss leads to
impairments in memory, reasoning, planning, and behavior. Degeneration usually occurs in the cerebral
cortex, the part of the brain responsible for thoughts, memories, actions, and personality.
Alzheimer's Disease (AD): The most common cause of dementia, accounting for one-half to three-
fourths of all cases. The brain of a person with AD becomes clogged with two abnormal structures
called neurofibrillary tangles and senile plaques. A gradual decline in mental functions, beginning with
slight memory loss, followed by the inability to plan and execute familiar tasks, and to reason and
exercise judgment. Communication ability, mood, and personality also may be affected. Most people
who have AD die within eight years of their diagnosis. It is the fourth leading cause of death in adults
after heart disease, cancer, and stroke.
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