【醫學專欄】迷霧中的牽手—理解阿茲海默症的消失地圖與共處之路 / 李霸醫師】

By thechicagochinesenews on June 30, 2026

漫長的告別：與失憶症和阿茲海默症共處

M先生今年八十五歲，他的妻子是最先注意到不對勁的人。一開始並不戲劇化。他開著那條走了上千次的回家路線去五金行，結果有一晚他卻沒有準時回到家。她在兩個鎮外找到他，車子停在路肩，看起來既迷茫又有些害怕，儘管他堅持說自己只是「停下來看一下地圖」。幾個星期後，她下樓時發現他站在咖啡機前，把它拿在手裡反覆翻看，彷彿那是他從未見過的陌生物品。而那台咖啡機，他每天早上已經用了十五年。
當她試著溫柔地和他談起這些情況時，他卻勃然大怒。他指責她小題大作、想讓他覺得自己老了、想要控制他。廚房原本是家裡最安靜的地方，如今卻成了讓兩人都顫抖不已的爭吵現場。這當中有一種誰都不願承受的殘酷：他會忘記如何做一些再簡單不過的事，那些他做了一輩子的事情，然後不得不向她求助。而一旦需要求助，他又會生氣。其實不是真的在生她的氣，而是在氣這個處境，也許更是在氣自己，儘管他從未能把這句話說出口。自尊與恐懼常常會偽裝成憤怒，而在那間廚房裡，這樣的事幾乎天天上演。

相隔六吋的距離

後來情況發展到，妻子再也不讓他單獨開車。每次他要開車，哪怕只是五分鐘車程去藥局，她都堅持要坐在副駕駛座上陪著他。他非常討厭這樣。對他而言，這感覺像是被當成小孩看待，甚至更糟，像是在自己的人生裡被「觀察期」監視著。一路上他常常抱怨連連，有時還會因為她「在旁邊盯著」而對她發脾氣，甚至有好幾次他寧可完全不開車，也不願讓她坐在旁邊「監督」他。她後來告訴我，那些坐車的時刻，是他們婚姻中最緊繃的時刻之一：兩個人相隔六吋而坐，心裡都很害怕，卻誰也說不出口。
這種病往往就是這樣開始的。不是一次戲劇性的崩潰，而是一連串細微、古怪的時刻慢慢累積，而正在經歷這一切的人，往往是最後一個察覺的，有時甚至從未察覺。

一張正在消失的地圖

阿茲海默症是失智症最常見的成因，大約佔所有病例的六到八成，而它的本質，是大腦的「線路」逐漸出現故障。兩種異常蛋白質——類澱粉蛋白（amyloid-beta）和濤蛋白（tau），會開始在腦細胞內外堆積，而這往往發生在任何症狀出現的好幾年，甚至好幾十年之前。類澱粉蛋白會在細胞之間結成黏稠的斑塊，濤蛋白則會在細胞內部纏繞成團。兩者一起阻斷了神經元之間的訊號傳遞，最終導致細胞死亡。
最先、也最嚴重受到影響的區域通常是海馬迴，也就是負責形成新記憶的腦區。這也是為什麼阿茲海默症最早、最容易被察覺的徵兆，往往不是忘記過去，而是忘記當下。

一位早期阿茲海默症患者，可能可以鉅細靡遺地說出1976年發生的某件事，卻在二十分鐘內問了女兒同一個問題四次。家屬常常因此感到困惑。「他連小時候的事都記得這麼清楚，應該沒有病得那麼嚴重吧。」他們會這麼說。但舊記憶與新記憶在大腦中的儲存方式截然不同。最先喪失的，是形成新記憶的能力，而這正是這個疾病早期與中期階段的核心特徵。

看不見自己陰影的心智

阿茲海默症之所以特別殘酷，也特別難在早期被發現，正是因為它進展得如此緩慢，又如此容易被否認。沒有哪一個早晨，一個人會突然「得了失智症」。它是一種漸進的侵蝕，緩慢到當事人往往在不知不覺中就已經開始調適。他們開始寫更多備忘錄，堅持熟悉的生活作息，避免任何新的事物。他們悄悄地讓配偶接管帳單，理由是「她比較會算」，卻從未真正承認過，這個安排究竟是怎麼開始的。
這當中有一個專有名詞：疾病感缺失症（anosognosia），意思就是對自己缺損的缺乏覺察。這不是固執，儘管從外人眼中看來，它常常看起來就像是固執。同樣的腦部損傷，既抹去了一個人的記憶，也可能損害了他原本用來察覺「事情不對勁」的那部分大腦。M先生堅稱自己沒有問題時，他並不是在說謊。就他的大腦所能告訴他的而言，確實沒有問題。

這也是為什麼阿茲海默症往往在正式確診之前的好幾年，就已經悄悄撕裂了家庭關係。配偶被貼上「愛嘮叨」的標籤。成年子女被說成是「太誇張」。一位再也無法掌握家庭財務的丈夫，可能會深信有人在偷他的錢，卻完全不記得帳單其實是自己親手付的。一位悄悄收走車鑰匙的妻子，可能會被丈夫真心地憤怒指控，說她想把他困在家裡。這些指控往往與殘忍無關。那是一顆困惑的心，試圖在一個已經不再合理的世界裡找出一個說得通的解釋，而最容易抓住的解釋，往往就是「一定是身邊的人有問題」。

為它命名

目前並 sectional 臨床上沒有一項單一的血液檢測能給出明確的「是」或「否」，不過這個情況正在以遠比多數人想像得更快的速度改變。在實務上，診斷過程通常會結合幾個不同的部分：
• 詳細病史詢問：我們會先從詳細的病史開始，

最好是有家人或親近的朋友在場，因為病人本身往往不是描述自己病情變化的可靠敘述者。這並非出於不誠實，而是同樣源自前面提到的疾病感缺失症。
• 神經心理學測驗：它能精確標示出哪些認知能力受到影響、影響程度又有多大。這有助於我們把阿茲海默症，與其他可能造成類似症狀的疾病區分開來，例如血管性失智症、常壓性水腦症、會拖慢思考速度的憂鬱症（有時稱為假性失智），或單純的正常老化。
• 腦部影像檢查：通常是核磁共振（MRI），用以排除中風、腫瘤或其他結構性問題。而正子斷層掃描（PET）的使用也日益增加，它甚至能直接顯影出腦中的類澱粉蛋白斑塊。
• 實驗室血液檢查：用以排除可逆性的混亂成因，例如甲狀腺功能異常或維生素B12缺乏，這些情況的表現可能與失智症十分相似，但一旦發現，完全可以治療。

而就在過去這幾年間，這個領域出現了一項真正具有突破性意義的工具：血液生物標記檢測。特別是測量一種名為 p-tau217 的濤蛋白形式，它與腦中類澱粉蛋白的堆積程度密切相關。過去需要昂貴的 PET 掃描或令人不適的腰椎穿刺才能取得的資訊，現在在許多情況下，只需一次簡單的抽血就能大致掌握。這正悄悄地改變我們能多早、多有把握地診斷這個疾病，有時甚至能在明顯症狀出現之前。

幾分值得抱持的希望

將近二十年來，市面上可用於阿茲海默症的藥物，都只是在治療症狀，而沒有真正觸及疾病本身。這個局面開始有所改變，得益於一類較新的藥物，稱為抗類澱粉蛋白抗體，包括侖卡奈單抗（lecanemab，商品名 Leqembi）與多納單抗（donanemab，商品名 Kisunla），它們透過協助免疫系統清除腦中的類澱粉蛋白斑塊來發揮作用。在臨床試驗中，這些藥物在早期患者身上，於十八個月的時間裡，將認知功能的衰退速度減緩了大約四分之一到三分之一。

而過去一年中，或許最令人振奮的發現，根本與藥物無關。一項名為「美國 POINTER」的大型試驗發表於2025年的《美國醫學會雜誌》（JAMA），結果發現，失智症高風險的年長者，若遵循一套結構化的計畫，結合規律運動、有益心血管健康的飲食、認知刺激與社交活動，其認知表現明顯優於那些只是自行摸索、缺乏指導的對照組。這項發現雖然不夠驚天動地，卻可能是這個領域中最具實用價值的成果之一：我們的生活方式，尤其是在中年時期的生活方式，確實對大腦如何老化有著真實的影響。

這個疾病留下的痕跡

臨床上的事實，只說出了故事的一部分。它們無法呈現這個疾病，究竟對身邊的人造成了怎樣的衝擊。
我常常想起一位姑且稱她為 S 太太的病人，我是在精神科住院病房認識她的，而不是在我的門診。她當時因為在安養機構對工作人員出現急性激動與肢體攻擊行為而住院。她正處於阿茲海默症的中期階段，在狀況不好的日子裡，甚至認不出自己的女兒，而這次住院的導火線，是我們所說的「日落症候群」，也就是隨著病情進展，在傍晚到夜間時段加劇的混亂與躁動。她的女兒在一次家庭會談中坐在我對面，說了一句我至今難忘的話：
「我母親早就已經不在了，我只是還在為一個仍活著的人哀悼。」
「模糊的失落」（ambiguous loss）這個詞，正是研究者用來描述這種經驗的說法：哀悼一個身體仍在，但在許多重要層面上，其實已經不在的人。

我也常想起一位姑且稱他為 T 先生的病人，我在門診追蹤了他好幾年，看著他的病情從輕微的健忘，逐漸惡化到連自己的藥物都無法管理。他的個案中，真正讓我印象深刻的，並不是記憶力的喪失本身，而是在任何人意識到發生了什麼之前，他人生中早已造成的傷害。

他曾是一位受人敬重的會計師，而在確診前的一年半裡，他在工作上犯下了一連串代價高昂的錯誤，同事們私下都把這歸咎於粗心或職業倦怠。他最終被解雇，這是一份他從未真正消化過的羞辱，因為等到真相終於浮現時，他在很大程度上，已經喪失了理解「自己究竟發生了什麼事」的能力。那段時間，他的婚姻也險些撐不下去，因為他的妻子，就像 M 太太一樣，每次試圖介入幫忙，都被指控是在密謀對付他。

這種模式值得被坦白說出來，因為它如此普遍，卻又如此少在醫療圈以外被提及：認知衰退往往在任何人意識到背後其實是疾病作祟之前，就已經造成真實的損害——丟掉工作、耗盡積蓄、破壞友誼、摧毀信任。配偶被指控偷竊或不忠；成年子女被指控企圖奪取財產或財務控制權。有時候，這種猜疑甚至會染上政治或意識形態的色彩，病人會對機構、照顧者，甚至是自己信任了一輩子的家人，變得新生且根深柢固地不信任，深信著毫無事實根據、卻在他們心中真實無比的陰謀。這一切都與人品無關，而是神經系統的問題。但對正在經歷這一切的人而言，無論身處關係的哪一方，很少能用這種方式去理解它。

沉默的受害者

照顧這些病人的家屬，自己也付出了極其沉重的代價。研究一致顯示，照顧失智症患者的家庭照顧者，罹患憂鬱症、焦慮症，甚至身體疾病的比例，都高於照顧其他慢性疾病患者的照顧者。
美國阿茲海默症協會估計，美國的家庭照顧者每年提供的無償照護時數高達數十億小時。這是一種龐大卻幾乎不被看見的勞動，由一群同時承受著哀傷、疲憊，又往往與自身支持系統脫節的人所完成。因為當一種疾病沒有一個乾淨俐落、適合探病的敘事時，朋友們往往會漸漸疏遠。

沿途的微光

目前還沒有治癒方法，任何聲稱能治癒的說法，都應該被謹謹慎看待。但確實有許多事情是有幫助的。
及早診斷的意義極為重大，而且不僅僅是為了能及早使用新藥。它為家庭爭取到時間：

• 趁病人還能有意義地參與其中時，進行那些艱難對話的時間。
• 把法律與財務保障安排妥當的時間。
• 能夠提前規劃、而不只是被動應對的時間。
支持團體，無論是給早期病人，還是給整段病程中的照顧者，都持續展現出對心理健康與韌性的實質助益。結構化的日常作息、規律的身體活動，以及持續的社交參與，似乎都有助於在確診之後減緩功能衰退的速度，這與確診之前那些被認為具有保護作用的生活方式因素不謀合。
而或許最重要的是，當家庭能夠理解（即使是不完整的理解）大腦裡正在發生的事，他們往往能走得更好。知道憤怒、否認與指控其實是症狀，而不是人品缺陷，並不會讓這一切變得不再痛苦，但它確實會改變哀傷的樣貌。它讓一個女兒能把憤怒指向疾病，而不是指向父親；它讓一位妻子能感到受傷，卻不必相信丈夫偶爾加諸於她的殘忍是出於本意。

並肩作戰

M先生並沒有輕易接受幫助，當然也不是一次就接受的。真正讓事情有所轉機的，是一次令人心驚的事件：這一次，他不是在兩個鎮外迷路，而是在四十英里外的一座城市裡迷了路。這次經歷把他嚇得足以坐下來，與妻子好好談一談，並在難得清醒的時刻，坦承自己也很害怕。
這也為我打開了一扇門。在那次事件之後，我終於說服他預約了神經科醫師，而這是他過去一年多以來一直斷然拒絕的事。他去了。而且，讓所有人都鬆了一口氣（包括他自己在內），他持續回診至今。
他和妻子現在定期回診神經科，雖然面對診斷這件事，並沒有因此變得比較輕鬆，但身邊有一位他信任的醫師為他撐腰，似乎也讓回家路上那些車內的緊張氣氛，稍稍緩和了一些。

那一刻並沒有抹去之前那些年的爭吵。但它終於讓M先生和他的妻子，站到了同一場戰役的同一邊。而這，或許比目前任何一種藥物都更重要，往往是我們所能給予一個正在面對這個疾病的家庭最好的禮物：不是治癒，而是不再彼此對抗，而是攜手共同面對的機會。
如果您對自己或所愛之人的記憶變化感到擔憂，尋求醫師的評估（最好是對認知障礙有經驗的醫師），是合理且重要的第一步。這並不代表必須立刻投入某種特定的治療方式，但它確實能開啟更多選擇，以及更多時間，而這些東西一旦錯過，往往就更難挽回。

The Long Goodbye: Living With Memory Loss and Alzheimer’s Disease

Mr. M was eighty-five when his wife first noticed something was wrong. It wasn’t dramatic at first. He’d take the same route home from the hardware store he’d driven a thousand times, and one evening he simply didn’t show up when expected. She found him two towns over, parked on the shoulder, looking lost and a little frightened, though he insisted he’d “just pulled over to check the map.” A few weeks later, she came downstairs to find him standing in front of the coffeemaker, turning it over in his hands like a foreign object he’d never seen before. He’d made coffee in that same machine every morning for fifteen years.

When she gently tried to talk to him about these moments, he got furious. He accused her of exaggerating, of trying to make him feel old, of being controlling. Their kitchen, once the quietest room in the house, became the site of arguments that left them both shaking. There was a particular cruelty to it that neither of them had asked for. He’d forget how to do something simple, something he’d done his entire adult life, and he’d need her help. And then, needing that help, he’d get angry. Not really at her. At the situation. At himself, probably, though he could never have said that out loud. Pride and fear have a way of disguising themselves as anger, and in that kitchen, they did it almost daily.

Six Inches Apart

Eventually it got to the point where his wife wouldn’t let him drive alone anymore. She started insisting on sitting beside him in the passenger seat every time he got behind the wheel, even for a five-minute trip to the pharmacy. He hated it. To him it felt like being treated as a child, or worse, like being put on probation in his own life. He’d grumble the whole way there, sometimes snap at her for “hovering,” and more than once he refused to drive at all rather than have her sit next to him “supervising.” She told me later that those car rides were some of the tensest moments of their marriage, two people sitting six inches apart, both scared, neither one able to say so out loud.

This is how it often begins. Not one dramatic collapse, but a slow buildup of small, odd moments that the person living through them is usually the last one to notice, and sometimes never notices at all.

A Map of What’s Disappearing

Alzheimer’s is the most common cause of dementia, behind something like sixty to eighty percent of all cases, and at its core it’s a disease of the brain’s wiring going haywire. Two abnormal proteins, amyloid-beta and tau, start building up in and around brain cells, often years or even decades before anyone notices a single symptom. Amyloid clumps together into sticky plaques between cells. Tau twists into tangles inside them. Together they jam the signals between neurons and eventually kill the cells off entirely.

The first area usually hit hardest is the hippocampus, the part of the brain responsible for laying down new memories. That’s why the earliest and most recognizable sign of Alzheimer’s usually isn’t forgetting the past. It’s forgetting the present.

A man with early Alzheimer’s might tell you a story from 1976 in vivid, perfect detail, and then ask his daughter the same question four times in twenty minutes. Families often get tripped up by this. “If he remembers his childhood so well, he can’t be that sick,” they’ll say. But old memories and new ones are stored very differently in the brain. It’s the ability to form fresh memories that goes first, and that’s really what defines the early and middle stages of this disease.

The Mind That Can’t See Its Own Shadow

What makes Alzheimer’s especially cruel, and especially hard to catch early, is just how slow and deniable it is. There’s no single morning where someone wakes up “with dementia.” It’s a gradual erosion, slow enough that the person experiencing it often adapts without even realizing they’re doing it. They start writing more notes. They stick to familiar routines and avoid anything new. They quietly let a spouse take over the bills “because she’s just better with numbers,” without ever quite admitting why that arrangement started in the first place.

There’s a term for part of this: anosognosia, which just means a lack of awareness of one’s own deficit. It isn’t stubbornness, even though it often looks exactly like stubbornness from the outside. The same brain damage that’s erasing someone’s memory can also damage the very part of the brain they’d need to recognize that anything is wrong. Mr. M genuinely wasn’t lying when he insisted nothing was the matter. As far as his brain could tell him, nothing was.

This is also why Alzheimer’s tends to fracture relationships years before anyone gets an official diagnosis. Spouses get labeled as nags. Adult children get called dramatic. A husband who can no longer track the family’s finances might become convinced money is being stolen from him, with no idea that he simply can’t remember paying the bills himself. A wife who quietly takes the car keys away might find herself accused, in real anger and real confusion, of trying to trap her husband at home. None of these accusations are really about cruelty. They’re a confused mind trying to make sense of a world that’s stopped making sense, and landing on the most available explanation: that someone nearby must be the problem.

Putting a Word to It

There’s no single blood test that gives a clean yes or no, although that’s changing faster than most people realize. In practice, a diagnostic workup usually pulls together a few different pieces.

We start with a detailed history, ideally with a family member or close friend in the room, since patients are often unreliable narrators of their own decline. Not because they’re dishonest, but because of that same anosognosia.

We follow that with neuropsychological testing, which maps out exactly which cognitive abilities are affected and by how much. This helps us tell Alzheimer’s apart from other things that can cause similar symptoms, like vascular dementia, normal pressure hydrocephalus, depression that’s slowing someone’s thinking down (sometimes called pseudodementia), or just ordinary aging.

Brain imaging comes next, usually an MRI, to rule out strokes, tumors, or other structural problems, and increasingly PET imaging, which can actually visualize amyloid plaques in the brain.

We also run bloodwork to rule out reversible causes of confusion, like a thyroid problem or a vitamin B12 deficiency, which can look a lot like dementia but are entirely treatable once found.

And in just the last few years, the field has gained something genuinely game-changing: blood-based biomarker tests, especially ones measuring a form of the tau protein called p-tau217, which track closely with how much amyloid has built up in the brain. What used to require an expensive PET scan or an uncomfortable spinal tap can now, in many cases, be approximated with a simple blood draw. That’s quietly reshaping how early, and how confidently, we can diagnose this disease, sometimes before serious symptoms have even shown up.

A Few Reasons for Hope

For nearly twenty years, the only medications available for Alzheimer’s treated the symptoms without touching the disease underneath. That’s started to change with a newer class of drugs called anti-amyloid antibodies, lecanemab (Leqembi) and donanemab (Kisunla), which help the immune system clear amyloid plaques out of the brain. In clinical trials, they modestly slowed cognitive decline in people with early-stage disease, by roughly a quarter to a third over eighteen months.

And maybe the most encouraging finding of the past year didn’t involve a drug at all. A large trial called U.S. POINTER, published in JAMA in 2025, found that older adults at high risk for dementia who followed a structured program of exercise, a heart-healthy diet, mental stimulation, and social activity had meaningfully better cognitive outcomes than those left to their own devices. It’s not flashy, but it might be one of the most useful findings in the field: how we live, especially in midlife, really does seem to matter for how our brains age.

What This Disease Leaves in Its Wake

The clinical facts only tell part of the story. They don’t capture what this disease actually does to the people living around it.

I think often of a patient I’ll call Mrs. S, whom I met not in my outpatient clinic but on an inpatient psychiatric unit, after she’d become acutely agitated and physically aggressive toward staff at her assisted living facility. She was in the moderate stage of Alzheimer’s, no longer able to recognize her own daughter on bad days, and the admission had been triggered by what we call “sundowning,” a worsening of confusion and agitation that tends to creep in during the late afternoon and evening as the disease progresses. Her daughter sat with me during a family meeting and said something I’ve never forgotten: “I lost my mother years ago. I’m just still grieving someone who’s still alive.” That phrase, ambiguous loss, is what researchers call this exact experience, grieving someone who’s physically still there but, in important ways, already gone.

I also think of a man I’ll call Mr. T, whom I followed in clinic for several years as his disease moved from mild forgetfulness to a point where he could no longer manage his own medications. What stuck with me most about his case wasn’t the memory loss itself, but the wreckage that came before anyone understood what was happening. He’d been a respected accountant, and in the year and a half before his diagnosis, he made a string of costly errors at work that his colleagues quietly chalked up to carelessness or burnout. He was eventually let go, a humiliation he never really processed, because by the time the truth came out, he’d largely lost the ability to even understand what had happened to him. His marriage nearly didn’t survive that stretch either, because his wife, much like Mr. M’s, kept getting accused of plotting against him whenever she tried to step in and help.

This pattern deserves to be said out loud, because it’s so common and so rarely talked about outside of medical circles: cognitive decline often causes real damage, lost jobs, drained savings, broken friendships, shattered trust, long before anyone realizes a disease is behind it. Spouses get accused of theft or infidelity. Adult children get accused of trying to seize control of finances or property. Sometimes the suspicion takes on a political or ideological edge, with patients becoming newly and rigidly distrustful of institutions, caregivers, or even family members they’d trusted their whole lives, convinced of conspiracies that have no basis in reality but feel completely real to them. None of this is a character flaw. It’s neurology. But it rarely feels that way to the people living through it, on either side of the relationship.

The Quiet Casualties

The people caring for these patients pay an enormous price of their own. Research consistently shows that family caregivers of people with dementia experience higher rates of depression, anxiety, and even physical illness than caregivers dealing with other chronic conditions. The Alzheimer’s Association estimates that family caregivers in the United States provide billions of hours of unpaid care every year, a staggering, mostly invisible kind of labor done by people who are grieving, exhausted, and often cut off from their own support systems, because friends tend to drift away when a disease doesn’t have a clean visiting-hours story.

Small Lights Along the Way

There’s no cure yet, and anyone promising one should be regarded with real skepticism. But there’s a lot that does help.

Early diagnosis matters enormously, and not just for access to newer medications. It gives families time. Time to have hard conversations while the patient can still meaningfully take part in them. Time to put legal and financial protections in place. Time to plan instead of just react. Support groups, both for patients in early stages and for caregivers throughout the whole journey, consistently show real benefits for mental health and resilience. Structured routines, physical activity, and staying socially engaged all seem to help slow functional decline even after a diagnosis, echoing the same lifestyle factors that seem protective in the years before.

And maybe most importantly, families do better when they understand, even imperfectly, what’s actually happening in the brain. Knowing that the anger, the denial, and the accusations are symptoms rather than character flaws doesn’t make them painless to live through. But it changes the shape of the grief. It lets a daughter be angry at a disease instead of at her father. It lets a wife feel hurt without believing her husband meant the cruelty he occasionally aimed at her.

The Same Fight, Together

Mr. M didn’t accept help easily, and he certainly didn’t accept it all at once. What finally moved things forward was a frightening incident where he got lost, not two towns over this time but in a city forty miles from home. That scared him enough to sit down with his wife and, in a rare moment of real clarity, admit that he was frightened too.

It also gave me an opening. After that incident, I was finally able to convince him to make an appointment with a neurologist, something he’d flatly refused for over a year. He went. And to everyone’s relief, including his own, he’s continued going back. He and his wife now see the neurologist regularly, and while nothing about his diagnosis has gotten easier to sit with, having a doctor in his corner who he trusts seems to have taken some of the fight out of those car rides home.

That moment didn’t erase the years of arguments that came before it. But it finally put Mr. M and his wife on the same side of the same fight. That, more than any medication currently available, is often the best any of us can offer a family navigating this disease: not a cure, but the chance to stop fighting each other and start facing it together.

If you’re concerned about memory changes in yourself or a loved one, an evaluation by a physician, ideally one with experience in cognitive disorders, is a reasonable and important first step. It doesn’t commit anyone to a particular treatment path, but it does open the door to options, and to time, that get harder to recover later.