ANDREW E. BUDSON, MD
Neurologist. Researcher. Author.
Psychology Today Blog
Harvard Health Blog
Why does behavior deteriorate in dementia?
The new parts of the brain that evolved for social cooperation break down in dementia, leading to behavioral problems including depression, anxiety, irritability, and agitation.
Have You Been Replaced by an Imposter?
Posted, October 12th, 2019
In dementia, your loved one may not recognize you, may think you are someone else, or may even think you have been replaced by an imposter.
Why Do Hallucinations Occur In Dementia?
Posted: August 18th, 2019
Hallucinations, illusions, and false memories can all occur in dementia. Here’s how to tell them apart.
We Are Visual Animals
Posted: August 4th, 2019
If seeing is believing, what happens when vision deteriorates due to dementia?
The Importance of Body Language in Dementia
Posted: July 28th, 2019
The right temporal lobe interprets emotional and other non-linguistic parts of communication—and this non-verbal communication may be preserved in dementia.
Why Does Language Break Down in Dementia?
Posted: July 21st, 2019
The frontal and temporal lobes need to work together for language to function—and both are often impacted by dementia.
Can Someone Forget They Have Dementia?
Posted: July 6th, 2019
Sundowning, wandering, shadowing, false memories, and even forgetting that one has memory impairment may all occur as dementia progresses.
How Can Grandma Play Piano When She Can’t Recall My Name?
Posted: June 29th, 2019
Learn why riding a bicycle and other habits and procedures are generally preserved in dementia.
The Bark That Never Forgets
Posted: June 22nd, 2019
The outer layer of the brain helps your grandmother recall events from 50 years ago—even though she cannot remember yesterday.
The Seahorse That Remembers
Posted: June 15th, 2019
This small brain structure enables virtually all of our memories—and it is easily damaged by a variety of brain disorders.
Why Frontal Lobe Failure Impairs Memory in Dementia
Posted: June 9th, 2019
Dysfunction of the frontal lobes leads to difficulty creating and retrieving memories—and to false memories.
Some Dementias Affect Speech and Language First & Foremost
Posted: May 27th, 2019
Trouble talking or understanding speech? It could be Primary Progressive Aphasia.
Is the Dementia Due to Too Much Fluid in the Head?
Posted: May 17th, 2019
Normal Pressure Hydrocephalus can cause dementia—and it is one of the most treatable memory disorders.
Visual Hallucinations, Acting Out Dreams, and Shuffling Feet
Posted: May 4th, 2019
Is your loved one seeing things that aren’t there? He or she may have dementia with Lewy bodies. There are treatments that can help.
What Is Vascular Dementia?
Posted: April 27th, 2019
Strokes can cause dementia. You say your loved one never had a stroke? Some strokes are silent and can only be detected by a brain scan.
Am I at Risk for Alzheimer’s Disease?
Posted: April 21st, 2019
Everyone is at risk for Alzheimer’s disease—particularly if you are a woman or have a family history.
Can Alzheimer’s Disease Be Diagnosed During Life?
Posted: April 14th, 2019
Previously we had to wait until autopsy to diagnose Alzheimer’s. Now it can be made with 85-95% certainty by a lumbar puncture or amyloid PET scan.
Alzheimer’s Disease: Pathology and Stages
Posted: April 8th, 2019
Ever wondered what Alzheimer’s disease looks like in the brain and how it advances from mild forgetfulness to dementia? Here we discuss the plaques, tangles, and how they progress.
How to Treat Anxiety and Depression in People with Dementia
Posted: March 31st, 2019
Does your loved one have depression, anxiety, irritability, or agitation from Alzheimer’s disease or dementia? Here are medications and other treatment options that may help.
Medications to Improve Apathy & Attention
Posted March 23rd, 2019
Is your loved one not participating or paying attention? Medications and meditation may help!
Medications to Enhance Memory
Posted March 16th, 2019
Are there actually medications that can boost memory? The answer is yes for those with Alzheimer’s disease and other memory disorders.
When Do You Need to See a Memory Expert?
Posted March 2nd, 2019
Your primary care provider may not have all the answers. Seek out a specialist if, after seeing your doctor, you are still concerned about your memory.
What Dementia, MCI, and Subjective Cognitive Decline Mean
Posted Feb 23rd, 2019
Be armed with the knowledge of what these terms used in memory disorders mean.
Seek Joy When Caring for Those With Dementia
Posted December 23rd, 2018
Too often when caring for someone with dementia we focus on the problems. Don’t forget to have fun.
8 Principles for Communicating with People with Dementia
Posted on November 19th, 2018
Learning how to best communicate with those who have cognitive impairment can help prevent irritability, agitation, and aggression.
How To Remember Names
Posted July 29th, 2018
Recalling names is the most common complaint of older adults. But guess what? Anyone can learn to remember names better.
Why You May Not See Something Right in Front of You
Posted April 29th, 2018
When you have trouble seeing something, it’s usually due to vision problems. Sometimes, however, it can be due to neglect.
Why Doesn’t Grandma Understand Me?
Posted April 1st, 2018
When an older adult doesn’t understand you, it’s usually due to a hearing problem. Sometimes, however, it can be due to comprehension difficulties.
Is It Normal to Forget a Name?
Posted March, 18th 2018
Remembering names of people can be challenging for anyone, but particularly for older adults. It’s also common in Alzheimer’s disease. How do you know when it is abnormal?
Trouble Planning and Organizing? Blame Your Frontal Lobes
Posted February, 25th 2018
Anyone can have difficulty managing and coordinating activities, but it's particularly common in dementia. Here's what is known about why it happens and what to do about it.
Why Self-Control Fails in Dementia
Posted February 5th, 2018
From former NFL players who have developed Chronic Traumatic Encephalopathy to your grandmother with Alzheimer's, why do patients with dementia do inappropriate things?
Dementia Is Not a Diagnosis
Posted January 28, 2018
Before working to care for or treat someone with dementia, make sure you know what the correct diagnosis is.
Posted December, 17th, 2017
When we join our family for the holidays, we may notice a slip of memory in a parent or grandparent. How do you know if it’s normal for age or a sign of Alzheimer’s?
Is Slurred Speech a Sign of Vascular Dementia?
Posted December 10th, 2017
Strokes can lead to problems with speech, walking, strength, thinking, and memory, and are a common cause of dementia. But can you diagnose someone just by observing them?
Don’t Listen to Your Lizard Brain The evolution of the brain can help us understand human behavior.
Posted December 3rd, 2017
10 million years of evolution has led to the development of the neocortex to control our primitive drives. So why does it seem to fail so frequently?
Should You Check Your Genes for Alzheimer’s Disease?
Posted Nov 26, 2017
Anyone can now find out if they have the most common genetic risk factor for Alzheimer’s. But what will you do with the information?
Why You Should Consider Serving Fish This Thanksgiving
Posted Nov 19, 2017
Wondering what foods can reduce the risk of stroke and Alzheimer’s and actually improve cognitive function? Hint: It isn’t blueberries, coconut oil, or turmeric.
Understanding Chronic Traumatic Encephalopathy (CTE)
Posted Nov 12, 2017
The pathology of Aaron Hernandez was just one part of the 2017 Boston University CTE Conference, which presented the latest research and our current understanding of this disorder.
Memory Ability Declines After Age 20
Posted Nov 07, 2017
Wondering if your memory is normal or not? We’ll help you understand what’s normal, what’s not, and what to do about it.