What Part Of The Brain Is Affected By Alzheimer's

What Part Of The Brain Is Affected By Alzheimer's – Autism is now recognized as a distinct group of developmental disorders known as autism spectrum disorders or ASDs. It is defined at the behavioral level, and its three symptoms are known: impaired social interaction, communication difficulties and repetitive behavior.

Like a computer, the brain relies on complex wiring to process and transmit information. Scientists have discovered that this wiring is faulty in people with autism, which causes problems in communication between brain cells.

What Part Of The Brain Is Affected By Alzheimer's

What Part Of The Brain Is Affected By Alzheimer's

Nerve cells in the brain transmit important messages that regulate bodily functions—from social behavior to movement. Descriptive studies have found that children with autism have many nerve fibers, but they do not function well enough to facilitate communication between different parts of the brain.

Addiction And The Brain

Brain imaging techniques such as magnetic resonance imaging (MRI) have been used to examine the brains of people with autism. But the results are inconsistent. Abnormal areas of the brain in people with autism include:

Scientists have also identified abnormalities in brain structures such as the corpus callosum (which facilitates communication between the two hemispheres of the brain), the amygdala (which affects emotion and social behavior), and the cerebellum (related to motor activity, balance, and coordination). They believe these abnormalities occur during prenatal development.

In addition, scientists have identified an imbalance of neurotransmitters – chemicals that help nerve cells communicate with each other. Two of the neurotransmitters that appear to be negative are serotonin (which affects emotion and behavior) and glutamate (which plays a role in neuronal activity). Together, these brain differences may account for autistic behavior. UCSF’s innovation, patient care, research and education span the disciplines of the life sciences, making it a world leader in scientific discovery and translation into improved health.

Behavioral symptoms such as mood swings, apathy, personality changes, social behavior and language difficulties may be part of the illness.

Functional Specialization (brain)

Behavior and personality often change with dementia. People with dementia often act in ways that are different from their ‘old’ selves, and these changes can be difficult for family and friends. Behavior changes for many reasons. In dementia, a person usually loses neurons (cells) in parts of the brain. The behavioral changes you see often depend on which part of the brain is losing cells.

For example, the frontal lobe is the area of ​​the brain behind the eyes that controls our focus, attention, motivation, and other aspects of personality. Therefore, when cells in the frontal lobe of the brain are lost, people cannot plan or concentrate. They are often unmotivated and passive. The frontal lobes also control our impulses. A person with frontal lobe deficits may act rudely or recklessly.

Dementia also changes how a person interacts with their environment. A person with Alzheimer’s disease may be forgetful and have difficulty communicating. They may become angry and frustrated because they cannot observe what is happening. Noise, conversation, crowds and activity can be overstimulating and difficult to process or understand. Also, many people with dementia rely on others. For example, if you are anxious and worried, many people with dementia will mirror your feelings, worry and anxiety.

What Part Of The Brain Is Affected By Alzheimer's

Behavior may change due to medical problems such as pain or infection. A person with dementia may have pain but not be able to explain it. Instead, they act more aggressively or become less active. Urinary tract infections, constipation, and poor sleep are examples of conditions that can cause sudden changes in a person’s behavior. Finally, some medications can cause changes in a person’s behavior.

Ataxia: What It Is, Causes, Symptoms, Treatment & Types

Adapted from: Fraker J, Kales HK, Blazek M, Kavanagh J, Gitlin LN. The role of the occupational therapist in the management of neuropsychiatric symptoms of dementia in the clinical setting. Occupational therapy in health care. 2014; 28:4-20. doi:10.3109/07380577.2013.867468

Sometimes things get out of control and can feel very scary. These are tips and strategies for dealing with particularly difficult behaviors. If you think you or others may be in danger, call 911.

Someone with dementia threatens you or uses physical violence, such as hitting, pushing or kicking you

A person with dementia becomes angry and accuses you of doing something wrong, such as stealing or cheating.

Broca’s Aphasia: Symptoms, Treatments, Types, And Outlook

A person with dementia may have emotional outbursts, such as yelling, screaming, or hitting things.

Dementia symptoms often lead to feelings of insecurity. For example, getting lost can cause anxiety about forgetting an appointment, and visual-spatial problems can make people feel lost or disoriented even in familiar places. Because of their reduced ability to cope with stress, people with dementia often depend on their caregivers to help them manage their emotions. A caregiver can be a person’s “armor” or someone who helps them feel safe. A person with dementia may follow or “shadow” a caregiver wherever they go, make phone calls to the caregiver several times a day, or ask frequent questions. They may feel fearful and angry when their caregiver feels tired, frustrated, impatient, or when the caregiver tries to ignore them. Also, they may feel anxious and worried when they can’t find their caregiver for even a moment. For example, if a person with dementia cannot see or hear their caregiver, they may become lost looking for them.

This table offers some ideas to help someone with dementia feel safe. If their anxiety is severe or threatens their safety, they should see a doctor to see if medication can help. Antidepressants are generally safe and can help relieve anxiety. Stronger medications such as benzodiazepines or antipsychotics have side effects, but in some cases the benefits of the medication outweigh the potential harm.

What Part Of The Brain Is Affected By Alzheimer's

A person follows you and becomes anxious or worried when they can’t see or hear you.

Your Brain On Music: The Sound System Between Your Ears

Apathy, or indifference, is defined as passivity and lack of interest or enthusiasm. People with dementia may lose interest in activities and hobbies that were once fun and interesting. They often have difficulty coming up with ideas for activities and need to rely on others. Apathy is one of the most common symptoms of dementia, and the person with dementia usually doesn’t know or worry about it.

Neglect can be difficult for families for many reasons. Families can find it difficult to adjust to passivity in a person who was once motivated and active. Families may worry that the person is depressed because neglect often mimics depression, and not everyone with neglect is depressed. Families can struggle to find ways to engage a person with dementia, and the process can be tiring and frustrating. When you can’t make someone with dementia more active, they may feel like they’ve failed. A person with dementia often needs help from others to plan, organize and initiate activities. As the disease progresses, they will need more help to do simpler things. Finally, families may worry that inactivity will lead to other health problems.

The truth is, apathy is hard to cure. There are no medications to treat insomnia, although there is donepezil (Aricept).

Used in people with Alzheimer’s disease) can sometimes improve it. In most cases, the area of ​​the brain that keeps a person active and interested (the frontal lobe) is affected by dementia. A person with dementia cannot start a job on their own, but they can get involved when someone helps them start. Sometimes, a person with dementia will need help to focus on a task. Sometimes, activities that once caught a person’s attention become too much for them or too difficult to follow. This does not mean that the person “should try harder”. they can’t really be active, they can’t show the familiar “spark” of interest and enthusiasm.

Can Brain Injury Change Your Personality?

When people notice changes in their behavior, such as confusion or agitation, they often wonder if it is caused by dementia or a sign of something else. This is a good question because it can be difficult to say! While a gradual decline in a person’s abilities is expected with most types of dementia, sudden changes over hours or days can be a sign of something called delirium. It is important to compare new behavior or ability changes with the person’s normal abilities and behavior patterns. With careful evaluation, the underlying cause of delirium can often be treated, helping the person regain their former abilities.

Many things can cause delirium, and sometimes there is more than one cause. Here are some common things we look for:

If you suspect someone is experiencing delirium, it’s important to make an appointment to see primary care

What Part Of The Brain Is Affected By Alzheimer's

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