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Jean, Joyce K. Cohen, Mehul S. Suthar, Mar M. Sanchez, Maria C. Alvarado, Ann Chahroudi. Considering the impact that Zika virus ZIKV infection has on the fetal nervous system and given that the postnatal period is also a time of rapid brain growth, it is important to understand the potential neurobehavioral consequences of ZIKV infection during infancy. Postnatal ZIKV infection in a rhesus macaque RM model resulted in long-term behavioral, motor, and cognitive changes, including increased emotional reactivity, decreased social contact, loss of balance, and deficits in visual recognition memory at one year of age. Structural and functional MRI showed that ZIKV-infected infant RMs had persistent enlargement of lateral ventricles, smaller volumes and altered functional connectivity between brain areas important for socioemotional behavior, cognitive, and motor function e.

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Discovering how the brain gives rise to behaviour

Alzheimer's disease is a progressive neurologic disorder that causes the brain to shrink atrophy and brain cells to die. Alzheimer's disease is the most common cause of dementia — a continuous decline in thinking, behavioral and social skills that affects a person's ability to function independently.

Brain Brain And Behavior

Approximately 5. The early signs of the disease include forgetting recent events or conversations. As the disease progresses, a person with Alzheimer's disease will develop severe memory impairment and lose the ability to carry out everyday tasks. Medications may temporarily improve or slow progression of symptoms. These treatments can sometimes help people with Alzheimer's disease maximize function and maintain independence for a time.

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Brain Brain And Behavior programs and services can help support people with Alzheimer's disease and their caregivers. There is no treatment that cures Alzheimer's disease or alters the disease process in the brain. In advanced stages of the disease, complications from severe loss of brain function — such as dehydration, malnutrition or infection — result in death.

Memory loss is the key Brain Brain And Behavior of Alzheimer's disease. Early signs include difficulty remembering recent events or conversations. As the disease progresses, memory impairments worsen and other symptoms develop. At first, a person with Alzheimer's disease may be aware of having difficulty remembering things and organizing thoughts.

A family member or friend may be more likely to here how the symptoms worsen. Everyone has occasional memory lapses, but the memory loss associated with Alzheimer's disease persists and worsens, affecting the ability to function at work or at home.

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Alzheimer's disease causes difficulty concentrating and thinking, especially about abstract concepts such as numbers. Multitasking is especially difficult, and it may be challenging to manage finances, balance checkbooks and pay bills on time. Eventually, a person with Alzheimer's may be unable to recognize and deal with numbers.

Brain Brain And Behavior

Alzheimer's causes a decline in the ability to make reasonable decisions and judgments in everyday situations. For example, a person may make poor or uncharacteristic choices in social interactions or wear clothes that are inappropriate for Behxvior weather. It may be more difficult to respond effectively to everyday problems, such as food burning on the stove or unexpected driving Brain Brain And Behavior. Once-routine activities that require sequential steps, such as planning and cooking a meal or playing a favorite game, become a struggle here the disease progresses. Eventually, people with advanced Alzheimer's often forget how to perform basic tasks such as dressing and bathing.

Brain changes that occur in Alzheimer's disease can affect moods and behaviors. Problems may include the following:.]

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