Why smell jumps the queue when it comes to memories

Smells hardwire deep into the brain, writes Henna Cundill, as she explores why they jump-start such vivid memories.

Henna Cundill

Henna is a researcher with the Centre for Autism and Theology at the University of Aberdeen.

An autumnal scene of a church yard and church framed by leafless trees.

'The smell of dust and damp stone will always cry “safety!”'

Jakub Pabis on Unsplash.

When I was a 22-year-old undergraduate my mother died quite suddenly. I can't remember the name of the undertakers we used, nor the chaplain who took her funeral. I can no longer visualise what any of their faces looked like. I know I visited the chaplain’s house to plan the funeral, but I can't remember exactly where that house was. What sticks is that the day of the funeral was a sultry summer's day, and both the chaplain and the undertakers smelt of perspiration. To this day there are moments where I catch that same whiff of man-sweat in some other location, and for a fleeting second, I am a bewildered 22-year-old once more.

Here is another memory. I attended a tiny, rural Church of England primary school in the middle of England. At the end of each school year, all of us donned our little Wellington boots, which smelt faintly of slurry (since this was dairy-farming country) and sweaty feet. Then we lined up in a crocodile and trudged through the bluebell-wood (damp leaves) and skirted the edge of fields (silage, which stings the nose) covering the mile or so between our school building and the village church.

We would enter the church grounds through the back field, hurrying through an eerily muffled graveyard with tombstones towering far above our heads and the grass disturbingly lumpy beneath our little feet. To the chidings of “Quickly!” and “Quietly!” we children scurried down a gravel path, away from this unsettling place of death, to reach the cool sanctuary of a little church, and the comforting smells (for me, at least) of damp stone and dusty hymnbooks.

Others may not have the same associations, but for me the smell of dust and damp stone will always cry “safety!” and the reassurance that “there are no ghosts in here!” in contrast to that troubling graveyard. From death to life. Yet, at the same time, getting stuck with my nose close to some man’s whiffy armpit on the Tube will forever insinuate that I am just a child pretending to be a grown-up, out of my depth, overwhelmed with one thousand decisions to make (“What flowers do you want for her coffin?”) and no-one to advise. In the midst of life, death again.

On reflection I will know that my emotions are being manipulated by my nose, in ways which are more or less than helpful depending on the circumstances.

Of course, I am not 22 years old and lost anymore, no matter what that man’s armpit tries to tell me. My rational mind knows better, but my rational mind doesn’t get a say – or doesn’t get the first say anyway. This is because smell is the only one of our senses that bypasses the thalamus (the brain’s ‘filtering gate’ that decides which part of the brain needs to respond to sensory input) and goes straight to the limbic system, where emotional memory is stored.

Sometimes it is very obvious that this is taking place, such as in the examples given above. On reflection I will know that my emotions are being manipulated by my nose, in ways which are more or less than helpful depending on the circumstances. But it can happen in more subtle ways too. Supermarkets infamously pump out smells to influence our buying choices, and we’re trying to sell our house right now, so we’ve been brewing a whole lot more coffee than we ever usually would.

Intriguingly, scientists don’t really know why the human sense of smell jumps the queue when it comes to cognitive processing. There are biological theories, such as that the smell of predator could wake up our ancestors while they were sleeping and/or could allow them to follow a scent trail quickly when fleeing danger or seeking food. There are social theories too, such as that we don’t have a lot of good words to describe smells, so the brain just doesn’t bother trying to analyse them. Whatever the truth of the matter, the reality is that (whether we like it or not) our noses are an emotional trip-hazard.

When I walk through those great oak doors there is a moment, a glitch in the matrix, when the unmistakable smell of church hits my nose. Dust, damp… a little hint of mouse.

I can’t help wondering what this tells me about my religious practice. Do I go to church because I have made a cognitive decision to worship God each Sunday? Or do I go to church because I am following my nose, getting away from a world full of armpits and responsibilities to a place where I am a seven-year-old girl, all gingham dress and wellies, feeling safe. If so, does it matter?

Truth is, my mind can give me a dozen reasons not to go to church every single week. In fact, two dozen reasons. More. It has always been a busy week; I’m always behind on work. The house always needs a sort out and the car is never washed. But because certain congregation members are normally counting on me for certain things, and because I’m still pretending to be a grown up, I typically drag myself out the door, and off to church I go.

And week on week, without fail, when I walk through those great oak doors there is a moment, a glitch in the matrix, when the unmistakable smell of church hits my nose. Dust, damp… a little hint of mouse. My body registers this before my mind; my shoulders drop a little of their tension. Even if it’s just for a fleeting moment, I start to feel that I know for sure what is absolutely real in my life and what is just pretend.

Is this knowledge irrational – since it doesn’t come from the cognitive part of my mind? Or is there a God who knows that the cognitive part of my mind sometimes tells me all sorts of untrue and unhelpful things. Is there a God who is choosing to reach out to me in more subtle, more ancient ways?

I can only wonder if I have been following my nose all this time, without even noticing. Drawn along by an ancient scent trail that leads me time and time again…this way…and that way…until I reach a place where there is safety, and bread.

Article

Assisted dying

Culture

Politics

4 October 2024

5 min read

Assisted dying and the cult of kindness

I witnessed an assisted death. We need to be honest in the debate about it.

Matthew Hall

Matthew is an author and screenwriter.

A tableau shows minature figures of two people, one sitting on a life size syringe and the other stands

Etactics Inc on Unsplash.

The Assisted Dying Bill is likely to be passed into law this autumn, the government having promised to ‘rush it through’. The debate will invariably be conducted in a fog of euphemistic language in which ‘compassion’ and ‘dignity’ will feature heavily on both sides, while the main point is likely to be missed: the legalisation of euthanasia or AD, marks a tectonic shift from a Christian to a post-Christian society and should be a wake-up moment for dozing Christians.

I was recently present when my aunt, an artist who had become a Canadian citizen, died by euthanasia in her own home while in the very early stages of motor neurone disease. She was 72, divorced, living independently, fully mobile (although she had lost the use of one arm) and was laughing and joking up to the moments before the doctor (or ‘The Killer’ as her son called him) injected the first dose of the lethal cocktail. It happened at 7pm on a Tuesday evening. She had made the phone call requesting her death at 3pm the previous Sunday – yes, a Sunday. Service of a kind our NHS can only dream of.

As a reluctant witness to what I consider a murder-suicide, I was nevertheless beguiled by the relatively clean ending (although there was some disturbing gurgling that apparently occurs as a result of the lungs filling with fluid) to a life that was about to become very difficult. Her two older siblings, including my mother, are each currently several years into slow deaths from combined Parkinson’s and dementia.

I am an almost daily visitor and a secondary carer to my mother, and while she is mute, benign and seemingly contented, the toll on my stepfather and on me is enormous. I often pray for it all to be over – it’s an endless grind and her former self would be utterly horrified to see herself this way! – and yet, as a Christian, I have to see purpose in it. One thing it certainly does do, is force carers to be selfless and compassionate in the strict sense of the word, which is ‘to suffer with’.

Her decision to die was the ultimate consumer choice – she availed herself of a service that promised to free her from her ailing body as quickly and comfortably as possible.

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My aunt didn’t want the trial of becoming ill and dependent, and the Canadian government gave her an opt-out which she grabbed the instant she received her diagnosis. Confirmation by two doctors that she was terminally ill and of sound mind – almost a trifling formality – got her immediate approval. She was, to use her kind of language, ‘out of here’ a mere three months later.

How could she have been so cavalier and determined to die, despite the protests of her son, nephew and granddaughters? She was, in hindsight, a perfectly minted product of the 1960s who believed above all in doing her own thing - whatever felt right. Such notions were anathema to her Christian parents and their dutiful wartime generation but are now the norm.

Like many who came of age to the sound of the Beatles, she toured the spiritual supermarket and picked out the nice bits from Christian, pagan and Eastern religions – predominantly those that allow you to think that life is about ‘being in tune’ or feeling good about yourself. This did most definitely not include becoming immobile and having strangers change her nappy. She believed in an afterlife, ‘love’, aliens and reincarnation but definitely not in judgement or consequences for her suicide.

Her decision to die was the ultimate consumer choice – she availed herself of a service that promised to free her from her ailing body as quickly and comfortably as possible, with the added bonus of leaving her assets to her family.

The truth, as the Canadian experience demonstrates, is that AD is not a slippery slope but a cliff edge.

Polls in Canada and the UK show that the vast majority would consider this a win all round. According to Opinium, 75 per cent of British adults support AD. In political terms this a ‘bridge issue’ almost without comparison, uniting 78 per cent of Conservatives with 77 per cent of Labour supporters, yet no issue should more starkly dramatise the unbridgeable chasm between Christian and secular world views.

The sharpness of this divide has, however, been successfully obscured by the insidious (and to my mind, diabolical) Cult of Kindness that has inveigled itself into both secular and Christian space. Imitating Christian virtues, it subverts them by subtly perverting language - by using ‘compassion’ when what is meant is ‘convenience’, for example – and by making ‘happiness’ rather than self-sacrifice the highest good. This leads both sides into dishonesty and self-delusion.

The biggest pro-AD lie is that it is merely an escape route for the tiny few facing the most intolerable suffering with no additional consequences. The truth, as the Canadian experience demonstrates, is that AD is not a slippery slope but a cliff edge. It is now the fifth most common cause of death and climbing by 30 per cent each year. Every seriously ill Canadian now feels some pressure to address the option. Cases of people choosing AD out of despair, depression or at the suggestion of a lazy or uncaring State official are already numerous. Those who have signed an advance consent waiver setting a date for their euthanasia in the event of their mentally incapacity, are now being terminated. In some cases, the demented refuse to cooperate and are euthanised under forced sedation. The State is already saving money and families are saving their inheritances. Life itself has been downgraded.

The Christian side indulges in even bigger untruths. Windy episcopal speeches about advances in palliative care avoid the hard fact that denying AD involves many suffering prolonged and painful deaths while family finances are destroyed and carers worn down to a husk. The pill can’t be sugared: thou shalt not kill is absolute, not an invitation for an ethical discussion. The point is so fundamental that to avoid it and be drawn into discussing the minutiae of legislation is a betrayal of the faith.

Christians won’t save the secular world from AD and its consequences, but the current debate is an opportunity for honesty and for Christians to save themselves from the delusion that the true virtue of compassion can be inverted to justify killing.

The Christian religion began with an agonising death of a kind which its scriptures exhorts its followers not to fear. It’s a tough message: God doesn’t promise the comfort we would like in this life. We do have the means and the duty to alleviate much suffering, but death as a consumer choice is simply off the table.