Home

Frontotemporal dementia eyes

Findings published today in the Journal of Experimental Medicine show that a loss of cells in the retina is one of the earliest signs of frontotemporal dementia in people with a genetic risk for the disorder — even before any changes appear in their behavior PHILADELPHIA - Frontotemporal degeneration (FTD) is a progressive neurodegenerative condition that is present in tens of thousands of Americans, but is often difficult to diagnose accurately

Summary: Frontotemporal degeneration (FTD) is a progressive neurodegenerative condition that is present in tens of thousands of Americans, but is often difficult to diagnose accurately. Now a study.. In frontotemporal dementia patients, the brain's frontal and temporal lobes shrink, according to the Mayo Clinic. The retina, comprised of light-sensitive neurons in the eye, connects directly to the brain through the optic nerve. Scientists consider it part of the central nervous system Frontotemporal dementia is often misdiagnosed as a psychiatric problem or as Alzheimer's disease. But frontotemporal dementia tends to occur at a younger age than does Alzheimer's disease. Frontotemporal dementia often begins between the ages of 40 and 65

Other movement-related frontotemporal disorders include frontotemporal dementia with parkinsonism and frontotemporal dementia with amyotrophic lateral sclerosis (FTD-ALS). Frontotemporal dementia with parkinsonism can be an inherited disease caused by a genetic tau mutation Frontotemporal dementia (FTD), a common cause of dementia, is a group of disorders that occur when nerve cells in the frontal and temporal lobes of the brain are lost. This causes the lobes to shrink. FTD can affect behavior, personality, language, and movement. These disorders are among the most common dementias that strike at younger ages

Dementia Types - Arden Courts

Changes in the eye might predict onset of frontotemporal

A Form of Dementia Frontotemporal disorders are forms of dementia caused by a family of brain diseases known as frontotemporal lobar degeneration (FTLD). Dementia is a severe loss of thinking abilities that interferes with a person's ability to perform daily activities such as working, driving, and preparing meals. Othe FTD, also known as frontotemporal dementia, frontotemporal degeneration or Pick's disease, is the most common dementia diagnosed before age 60. FTD brings progressive changes to personality, language, decisonmaking, behavior, and movement. FTD is actually a group of diseases affecting the same brain regions Vision changes can cause strange dementia behavior. Dementia causes a variety of changes in the brain, including how the eyes see and how the brain processes the information the eyes bring in.. When seniors with Alzheimer's disease or dementia behave in strange ways, we might assume they're hallucinating.. Hallucination is a possible symptom, but the behavior could also be explained by.

172 best images about Raising Consciousness Now Global焦虑症图片_焦虑症症状表现图片大全_有来医生

Eye Changes May Signal Frontotemporal Lobe Degeneration

  1. Frontotemporal dementia (FTD) or frontotemporal degenerations refers to a group of disorders caused by progressive nerve cell loss in the brain's frontal lobes (the areas behind your forehead) or its temporal lobes (the regions behind your ears)
  2. Late-Stage Frontotemporal Dementia. In the late stage, people with FTD look more similar to those whose dementia is due to Alzheimer's disease. Both language and behavior are affected and memory deterioration often occurs as well. It may be necessary to have care 24 hours per day to assure safety and adequate care
  3. Frontotemporal disorders are forms of dementia caused by a family of brain diseases known as frontotemporal lobar degeneration (FTLD). Dementia is a severe loss of thinking abilities that interferes with a person's ability to perform daily activities such as working, driving, and preparing meals
  4. Mrs. W's condition is called posterior cortical atrophy (PCA). This form of dementia is easy to overlook. The key feature is usually visual problems without any discoverable eye disease, combined with cognitive problems that are milder than AD at the beginning
  5. Official Study Title: Eye movement control in normal adults and in adults with neurologic disease. Conditions Studied: Frontotemporal dementia (FTD), semantic variant primary progressive aphasia (svPPA), nonfluent variant primary progressive aphasia (nfvPPA), Alzheimer's disease (AD), corticobasal syndrome (CBS), progressive supranuclear.
  6. Behavioral variant frontotemporal dementia (bvFTD) is characterized by deep alterations in behavior and personality. Although revised diagnostic criteria agree for executive dysfunction as most characteristic, impairments in social cognition are also suggested. The study aimed at identifying those n

Frontotemporal dementia (FTD) is a type of dementia that has often been called Pick's disease. It encompasses a group of disorders that affect behavior, emotions, communication, and cognition. Other names used for FTD include Behavioral Variant Frontotemporal Dementia. People with behavioral variant frontotemporal dementia (bvFTD) often have trouble controlling their behavior. They may say inappropriate things or ignore other peoples' feelings. bvFTD may affect how a person deals with everyday situations. bvFTD can also affect language or thinking skills Keywords: Behavioural variant frontotemporal dementia, Emotion recognition, Eye tracking, Social cognition, Ventromedial prefrontal cortex, Orbitofrontal cortex Introduction Behavioural variant frontotemporal dementia (bvFTD) is a neurodegenerative disorder characterised by a progressive decline in behaviour and executive function [ 1 , 2 ] Frontotemporal dementia usually causes changes in behaviour or language problems at first. These come on gradually and get worse slowly over time. Eventually, most people will experience problems in both of these areas. Some people also develop physical problems and difficulties with their mental abilities. Behaviour and personality change

Eye changes may signal frontotemporal lobe degeneration

2. FTD is the most common form of dementia in younger people. According to the NINDS, FTD is the number one cause of dementia in people under age 60. (It seems to affect men and women in equal. 1. Front Aging Neurosci. 2018 Jan 30;10:11. doi: 10.3389/fnagi.2018.00011. eCollection 2018. A Modified Reading the Mind in the Eyes Test Predicts Behavioral Variant Frontotemporal Dementia Better Than Executive Function Tests A disturbance in this system could be involved in the development of frontotemporal dementia and other mental disturbances like Alzheimer's disease. There could also be a link between circadian rhythms and memory dysfunction connected to schizophrenia, type 2 diabetes, and blue light

Today, an estimated 250,000 Americans are living with frontotemporal dementia.In fact, frontotemporal dementia is the most common cause of dementia among those under 60. To put this into perspective, this type of dementia affects as many people as Alzheimer's in the age group spanning from 45-64.. Previously known as Pick's disease after Arnold Pick, M.D. — a practitioner who initially. Through the Eyes of the Caregiver: Frontotemporal Degeneration (FTD) and the Penn FTD Center. Frontotemporal degeneration (FTD) is a debilitating neurodegenerative disease that dramatically affects the lives of both the patient and their loved ones Frontotemporal dementia (FTD), sometimes called frontotemporal disorders, is rare and tends to occur at a younger age than other dementias. About 60% of people with frontotemporal dementia are 45 to 64 years old. FTD is progressive, meaning symptoms get worse over time <p>A group of disorders caused by cell degeneration, frontotemporal dementia (FTD) affects the brain, specifically its areas associated with personality, behavior and language. Once considered a rare disease, FTD may account for 20-50% of dementia cases in people younger than age 65, according to the Alzheimer’s Association

A Form of Dementia Frontotemporal disorders are forms of dementia caused by a family of brain diseases known as frontotemporal lobar degeneration (FTLD). Dementia is a severe loss of thinking abilities that interferes with a person's ability to perform daily activities such as working, driving, and preparing meals Therefore the aim of this thesis was to characterise eye movements in frontotemporal dementia across a hierarchical range of movements and to investigate if eye movements could be linked to neuropsychological deficits occurring in the disease. Method: FTD and control participants were recruited to examine eye movement changes in the disease What Is Frontotemporal Dementia? FTD causes cell damage in the frontal lobe (behind the eyes) and temporal lobe (behind the ears), shrinking tissue and reducing brain functions such as judgment, emotions, speaking, understanding and movement. FTD is relatively more common in the younger population, with people often developing symptoms in their. The current study employed eye tracking to record visual scanning of faces in 20 behavioural-variant frontotemporal dementia patients and 21 controls. Remarkably, behavioural-variant frontotemporal dementia patients displayed more fixations to the eyes of emotional faces, compared to controls

Eyes Are 'Windows To the Brain' For Rare Dementi

Frontotemporal dementia age of onset can be as early as the age of 40, with 54 being the average age of onset, and is often misdiagnosed in younger adults as a psychiatric issue and in older adults as Alzheimer's. Older adults can start to see symptoms all the way into their 80s The Frontotemporal Disorders (FTD) Unit at Massachusetts General Hospital specializes in comprehensive diagnosis and treatment for Frontotemporal focal dementia syndromes disorders. Our aim is to develop better knowledge about and diagnosis and treatment of all forms of FTD and related focal dementia syndromes What is Frontotemporal Dementia? FTD causes cell damage in the frontal lobe (behind the eyes) and temporal lobe (behind the ears), shrinking tissue and reducing brain functions such as judgment, emotions, speaking, understanding and movement. FTD is relatively more common in the younger population, with people often developing symptoms in their. Frontotemporal dementias (FTDs) are a group of neurodegenerative disorders associated with shrinking of the frontal and temporal anterior lobes of the brain. Symptoms include marked changes in social behavior and personality, and/or problems with language. People with behavior changes may have disinhibition (with socially inappropriate behavior), apathy and loss of empathy, hyperorality.

Frontotemporal dementia - Symptoms and causes - Mayo Clini

What are the Different Types of Frontotemporal Disorders

Understanding Frontotemporal Dementia. The most common type of dementia in people under 60 is FTD, which accounts for 2-5 percent of all dementia cases and has 3 varient forms. Frontal temporal dementia is a degenerative condition of the temporal and frontal lobes of the brain. This irreversible form of dementia accounts for about 2-5 percent. <p>A group of disorders caused by cell degeneration, frontotemporal dementia (FTD) affects the brain, specifically its areas associated with personality, behavior and language. Once considered a rare disease, FTD may account for 20-50% of dementia cases in people younger than age 65, according to the Alzheimer's Association Frontotemporal dementia (FTD) A topic in the Alzheimer's Association® series on understanding dementia. About dementia Dementia is a general term for a decline in mental ability severe enough to interfere with daily life. Dementia is not a single disease; it's the umbrella term for an individual's changes in memory, thinking or reasoning

Frontotemporal Dementia (Pick Disease) A 59-year-old male is brought to the physician by his wife due to odd behavior. She reports that he would attempt to kiss strangers, or would urinate in public. At times, he would grow distant and show no interest in maintaining a conversation Objective: We aimed to develop a novel tool capable of staging disease severity in frontotemporal dementia (FTD) based upon functional dependence and behavioral changes, and to assess change over time in the 3 main FTD variants (behavioral variant FTD [bvFTD]; progressive nonfluent aphasia [PNFA]; and semantic dementia [SemD]). Methods: The Frontotemporal Dementia Rating Scale (FRS) was. Frontotemporal dementia (FTD) is a group of disorders caused by progressive cell degeneration in the brain's frontal lobes (the areas behind your forehead) or its temporal lobes (the regions behind your ears). The cell damage caused by frontotemporal dementia leads to tissue shrinkage and reduced function in the brain's frontal and temporal. Frontotemporal dementia refers to a group of conditions that can affect speech, behavior, and other functions. Learn about the symptoms, stages, and treatment There's currently no cure or specific treatment for frontotemporal dementia. Drugs used to treat or slow Alzheimer's disease don't seem to be helpful for people with frontotemporal dementia, and some may worsen the symptoms of frontotemporal dementia. But certain medications and speech therapy can help manage symptoms of frontotemporal dementia

Frontotemporal Dementia Johns Hopkins Medicin

Pick's disease is a kind of dementia similar to Alzheimer's but far less common. It affects parts of the brain that control emotions, behavior, personality, and language. It's also a type of. Objective: To characterize saccadic eye movements, as a marker of decision-making processes, in frontotemporal dementia (FTD). Methods: Saccadometry was performed on a cross-section of patients with FTD, using a portable saccadometer, and results compared to matched control subjects Dementia: supporting people with dementia and their carers in health and social care. Clinical Guideline 42. London: NICE, 2006 (updated September 2016). 6. Rohrer JD. Structural brain imaging in frontotemporal dementia. Biochimica Biophys Acta 2012;1822:325-32. 7. Whitwell JL, Josephs KA. Recent advances in the imaging of frontotemporal. Frontotemporal dementia is a term used to describe brain disorders in the frontal and temporal areas of the brain. When an individual develops symptoms of frontotemporal dementia, it is an indication that the neurons in the frontal and temporal lobes of the brain have undergone damage. The lobes are located just above the eyes and behind.

Early-Onset Dementia Symptoms, Treatment: UK Man, 40PPT - Tauopathies PowerPoint Presentation - ID:4677385

The Cruelest Disease You've Never Heard Of: Frontotemporal

  1. Frontotemporal dementia (FTD) is a group of disorders that occur when nerve cells in the frontal and temporal lobes of the brain are lost. This causes the lobes to shrink. FTD can affect behavior, personality, language, and movement. FTD is one of the most common dementias to strike at younger people. Symptoms often start between the ages of 40.
  2. A Lesser-Known Dementia That Steals Personality. Frontotemporal dementia, unlike Alzheimer's, often hits people in the prime of their lives, and can make them act like a completely different person
  3. The average volume of white matter hyperintensities in people with frontotemporal dementia was 0.76 milliliters (mL) compared to 0.40 mL in people with Alzheimer's disease and 0.12 mL in people.
  4. A Form of Dementia Frontotemporal disorders are a form of dementia caused by a family of brain diseases known as frontotemporal lobar degeneration (FTLD). Dementia is a severe loss of thinking abilities that interferes with a person's ability to perform daily activities such as working, driving, and preparing meals
  5. In 2015, he writes, he began spotting signs of frontotemporal dementia (FTD) in Donald J. Trump, and began tweeting about it in February 2017. He uses videos to demonstrate
  6. Medicines cannot stop frontotemporal dementia getting worse, but it can help reduce some of the symptoms for some people. The following medicines may help: antidepressants - antidepressants called selective serotonin reuptake inhibitors (SSRIs) may help control the loss of inhibitions, overeating and compulsive behaviours seen in some people
  7. Caring for someone with frontotemporal dementia - Webinar notes. Presented by Help for Alzheimer's Families. March 19, 2020. Summary by Lauren Stroshane, Stanford Parkinson's Community Outreach. Frontotemporal dementia (FTD) is the most common cause of dementia in people under the age of sixty, but is often misunderstood and misdiagnosed

Dementia and Eyesight: 3 Common Changes and Behaviors

Sleep disorders appear to be frequent comorbidities in patients with frontotemporal dementia (FTD). Insomnia and excessive daytime sleepiness commonly occur in patients with FTD and significantly contribute to caregiver burden and burnout. Sleep is severely fragmented in FTD patients, likely secondary to behavioral disturbances, other primary. These results demonstrate that CHMP2B Intron5 preferentially affects different receptor signaling pathways in a cellular and developmental context-dependent manner.—Cheruiyot, A., Lee, J-A., Gao, F-B., Ahmad, S. T. Expression of mutant CHMP2B, an ESCRT-III component involved in frontotemporal dementia, causes eye deformities due to Notch. DEFINITIONS . A broad factual definition of Dementia from the U.S. Government: Dementia is not a specific disease. It is a descriptive term for a collection of symptoms that can be caused by a number of disorders that affect the brain Trump's posture is the classic frontotemporal dementia stance. His kids are just stupid enough to copy his posture (I guess). Forward leaning, arms down like balancing rods. He's at risk to jerk & fall backward. He can't stand like the people next to him hands on hips or in the pockets. He would topple- a good word to describe what he has coming. Tom Joseph @TomJChicago We all know The.

Frontotemporal Dementia (FTD) Symptoms & Treatments

  1. But he still had his lymphoma and frontotemporal dementia to worry about. A hope restoration program didn't exactly help with those. Kokichi moved his eyes around the room darting past the other beds set up in a circle around a large computer-looking machine. His body felt heavy and he could see Shuichi sleeping in a similar bed a few spots.
  2. gham, Gladstone Institutes and the University of California, San Francisco. Findings published today in the Journal of Experimental Medicine show that a loss of cells in the retina is one of the.
  3. ating between bvFTD and healthy controls
  4. Frontotemporal dementia may be detected through the eye. The researchers compared ganglion cell activity in healthy subjects with subjects known to have frontotemporal dementia and found a.
  5. Remarkably, behavioural-variant frontotemporal dementia patients displayed more fixations to the eyes of emotional faces, compared to controls. Neural regions associated with fixations to the eyes included the left inferior frontal gyrus, right cerebellum and middle temporal gyrus
  6. Fig. 2 Proportion of patients in the frontal variant frontotemporal dementia (fvFTD) and Alzheimer's disease (AD) groups showing impairment on the first‐order false belief (FB), second‐order false belief, faux pas and Reading the Mind in the Eyes Test
  7. Fronto-temporal dementia (FTD) is a neurodegenerative disorder affecting the frontal and temporal lobes. Its early diagnosis is often difficult, the initial symptoms tending to be restricted to non-specific behavioural disorders such as apathy or disinhibition.1-3 Various studies have shown that the analysis of saccadic eye movements ma
Reducing your risk of dementia | Frontotemporal dementiaLoving carer is forced to communicate with her 49-year-oldAlmost Wordless Today - Blank Stares By Jay Allen - Cindy

What Are the Stages of Frontotemporal Dementia

Frontotemporal dementia (FTD) is a type of dementia caused by degeneration in the temporal and frontal lobes of the brain. Our guest discusses the symptoms, risk factors, prevalence, and course of the disease, along with information on how a doctor diagnoses FTD and what families and caregivers can do after diagnosis In the past, patients with frontotemporal dementia (FTD) often were misdiagnosed with depression, schizophrenia or Alzheimer's disease. Because some FTD cases still may be misidentified, doctors at the UCSF Center for Memory and Aging say it's difficult to determine the prevalence of the disorder but they believe FTD is the most common dementia diagnosed in patients under age 60 and is as.

What Are Frontotemporal Disorders? National Institute on

  1. AFTD's 2021 Driving Hope Golf Tournament (CO) August 15, 2021 Erie, CO. Help support AFTD's mission, get in 18-holes of golf on a private course, and spread FTD awareness by joining AFTD's 2021 Driving Hope Golf Tournament taking place August 15th at Colorado National Golf Club in Erie, CO
  2. Depending on the type of frontotemporal dementia the patient has, their ability to verbalize and comprehend language can become incredibly challenging as the temporal lobes in the brain begin to change. Some signs of speech and language difficulties include a loss of vocabulary, speaking slowly, trouble finding the right words to use when.
  3. Frontotemporal dementia (FTD) is one other type and it's a term used to describe a number of disorders that affect the frontal and temporal lobes of the brain. Because these areas are associated with personality, behavior, and language, frontotemporal dementia can drastically change the way a person speaks and acts. The progression of FTD is.
  4. Frontotemporal dementia, which refers to a group of dementias, results from hereditary or spontaneous (occurring for unknown reasons) disorders that cause the frontal and sometimes the temporal lobe of the brain to degenerate. Personality, behavior, and language function are affected more and memory less than in Alzheimer disease
  5. Frontotemporal dementia is a devastating disease for patients and their loved ones. Understanding the causes of dementia can be difficult, as most of the damage to the brain occurs well before any symptoms appear. It's like trying to unravel the events that created a crime scene
  6. Frontotemporal Dementia (FTD) describes a clinical syndrome associated with shrinking of the frontal and temporal anterior lobes of the brain. Originally known as Pick's disease, the name and classification of FTD has been a topic of discussion for over a century. As it is defined today, the symptoms of FTD fall into two clinical patterns.
  7. Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) are two neurodegenerative diseases with a toxic relationship, according to a new study published in Nature Medicine. In the study, Yingxiao TK Shi and Shaoyu Sebastian Lin in the laboratory of Justin Ichida, PhD, assistant professor of stem cell biology and regenerative medicine at the Keck School of Medicine of USC.

A Form of Dementia that Affects Vision: Posterior Cortical

75 VOICES with Dementia ideas | dementia, carer, caregiver

Eye Movements in Dementia Memory and Aging Cente

A Modified Reading the Mind in the Eyes Test Predicts

A neurodegenerative disease causing tissue shrinkage and reduced function in the brain's frontal and temporal lobes, frontotemporal dementia (FTD) is thought to account for 10-15% of dementia cases. It accounts for roughly 20% of early-onset dementia cases, general displaying its first symptoms between the ages of 55 and 65 Progressive Supranuclear Palsy or PSP effects a person's posture, eye movements, muscle stiffness and makes walking difficult. Whereas Alzheimer's disease is far more common in people over 65, both Frontotemporal Dementia (FTD,) and Primary Progressive Aphasia (PPA,) are just as common as early-onset Alzheimer's.. Frontotemporal degeneration has prevalence between 15 and 22 cases per 100,000 in the 45- to 64-year-old age range, and incidence ranges from 1.6 to 4.1 cases per 100,000 ( 21 ). It is the second most common form of neurodegenerative dementia in younger people. The socioeconomic burden per patient exceeds that due to Alzheimer disease (Galvin.

Frontotemporal Dementia (Pick's Disease) Overvie

Frontotemporal dementia is a group of neurodegenerative diseases1 that eat away at our core being. Like its comrade, Alzheimer's disease, ageing is its best friend. Patients and families tell tales of behavioural changes that sometimes encroach on the incredible: Mummy threw her faeces at me this morning, doc. Language can also be lost.2 Words like dog, eyes, and thing. Frontotemporal dementia Videos, Flashcards, High Yield Notes, & Practice Questions. Learn and reinforce your understanding of Frontotemporal dementia. - Osmosis is an efficient, enjoyable, and social way to learn. Sign up for an account today! Don't study it, Osmose it Keywords: dementia, frontotemporal dementia, frontotemporal lobar degeneration, eye movement, saccadic reaction time. Citation: Midorikawa A, Itoi C and Kawamura M (2014) Detection of residual cognitive function through non-spontaneous eye movement in a patient with advanced frontotemporal dementia. Front. Neurosci. 8:334. doi: 10.3389/fnins. Synonyms: Pick complex, Pick's dementia, Pick's disease. See the separate related Dementia article.. Frontotemporal dementia (FTD) defines a heterogeneous group of clinical syndromes marked by the progressive, focal neurodegeneration of the frontal and anterior temporal lobes [].. It is one of the more common causes of dementia before the age of 65 [].This is now considered part of an. What is Fronto Temporal Lobar Degeneration/Dementia. Frontotemporal dementia, is an uncommon cause of dementia, is a group of disorders that occur when nerve cells in the frontal and temporal lobes of the brain are lost 1).This causes the frontal and temporal lobes to shrink — the parts of the brain that control executive functions such as decision-making, personality, social behavior.

Behavioral Variant Frontotemporal Dementia Memory and

Postural instability, frontotemporal dementia, and ophthalmoplegia: The cognitive problems progressed and he developed aphasia and later eye movement abnormalities. He died after 9 years of disease. Experts discuss the syndromal diagnosis and predict the underlying pathology Frontotemporal dementia (FTD) is a syndrome featuring shrinking of the frontal and temporal anterior lobes of the brain.; Pick's disease and semantic dementia are forms of frontotemporal dementia.; The symptoms of frontotemporal dementia fall into two clinical patterns that involve either: (1) changes in behavior, or (2) problems with language.. Speech therapy can treat patients with frontotemporal dementia who are affected by language barriers and find it difficult to adjust and communicate. They may learn other ways for developing a communication bridge. Frustration, which is a frequent Frontotemporal Dementia (FTD) symptom, can be maintained by communicating well Research paves the way for eye test to detect Alzheimer's before symptoms. May 10, 2021. Early signs of frontotemporal dementia found in personalized cerebral organoids. Jul 26, 2021 Cindy's Journey with Frontotemporal Dementia. 510 likes · 4 talking about this. Our mom was diagnosed with FRONTOTEMPORAL DEMENTIA at age 56. Our mom passed away from FTD on 2/28/2020. Our goal is to..

Frontal lobe dementia or frontotemporal dementia (FTD) represents a unique group of neurodegenerative disorders that account for approximately 10 percent of all cases of dementia and tend to occur in people between the ages of 45 and 64. The symptoms of each disorder can vary, depending on the part of the frontal or temporal lobes affected, but can include behavior and personality changes. Frontotemporal dementia (FTD) refers to sporadic and hereditary disorders that affect the frontal and temporal lobes, including Pick disease. (See also Overview of Delirium and Dementia and Dementia .) Dementia is chronic, global, usually irreversible deterioration of cognition. Frontotemporal dementia accounts for up to 10% of dementias One study by Midorikawa et al. (2016) involved analyzing new or increased positive abilities that appeared in patients with behavior-variant frontotemporal lobe dementia (bvFTD) or Alzheimer's Disease (AD). These types of dementia are the ones in which enhanced abilities—such as new or improved drawing, singing, or painting skills—are. A study led by researchers at the National Institutes of Health has made a surprising connection between frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS), two disorders of the.