What a Lack of Social Contact Does to Your Brain

To many of us, the con­cept of soli­tary con­fine­ment may not sound all that bad: final­ly, a reprieve from the siege of social and pro­fes­sion­al requests. Final­ly, a chance to catch up on all the read­ing we’ve been mean­ing to do. Final­ly, an envi­ron­ment con­ducive to this med­i­ta­tion thing about whose ben­e­fits we’ve heard so much. (Per­haps we made those very assur­ances to our­selves when the COVID-19 pan­dem­ic set in.) But accord­ing to the ani­mat­ed TED-Ed les­son above, writ­ten by psy­chi­a­trist and cor­rec­tion­al men­tal health expert Ter­ry Kupers, the neg­a­tives of the expe­ri­ence would well out­weigh the pos­i­tives. It all comes by way of answer­ing the ques­tion, “What hap­pens to your brain with­out any social con­tact?”

Unsur­pris­ing­ly, per­haps, iso­la­tion takes its great­est toll when imposed against the will of the iso­lat­ed, and even more so when imposed for an indef­i­nite dura­tion. “Ear­ly on, stress hor­mones may spike, and as time pass­es, that stress can become chron­ic,” says the video’s nar­ra­tor.

With­out the avail­abil­i­ty of social inter­ac­tions as “a sound­ing board where we can gauge how ratio­nal our per­cep­tions are,” one’s “sense of iden­ti­ty and real­i­ty becomes threat­ened.” The stage is there­fore set for “depres­sion, obses­sions, sui­ci­dal ideation, and, for some, delu­sions and hal­lu­ci­na­tions.” Sleep­ing dif­fi­cul­ties can man­i­fest on the more strict­ly phys­i­cal end, poten­tial­ly accom­pa­nied by “heart pal­pi­ta­tions, headaches, dizzi­ness, and hyper­sen­si­tiv­i­ty.”

While trav­el­ing in the Unit­ed States, Charles Dick­ens bore wit­ness to the pun­ish­ment by soli­tary con­fine­ment already in effect in Amer­i­can pris­ons, com­ing away with the impres­sion that it was “worse than any tor­ture of the body.” He wrote that after a vis­it to a Philadel­phia pen­i­ten­tiary, whose very name reflects the the­o­ry, held by the Quak­er groups who intro­duced the prac­tice in the late eigh­teenth cen­tu­ry, that it could “bring about reflec­tion and pen­i­tence.” After much research on the mat­ter, Kupers has come to the con­clu­sion that, in fact, it “does immense dam­age that is con­trary to reha­bil­i­ta­tion, while fail­ing to reduce prison vio­lence.” If you’re read­ing this, you may not be espe­cial­ly like­ly to be sen­tenced to invol­un­tary con­fine­ment. But the next time you start feel­ing out of sorts for rea­sons you can’t pin down, con­sid­er how long it’s been since you’ve spent real time with real peo­ple.

Relat­ed con­tent:

What Hap­pens When You Spend Weeks, Months, or Years in Soli­tary Con­fine­ment

How Lone­li­ness Is Killing Us: A Primer from Har­vard Psy­chi­a­trist & Zen Priest Robert Waldinger

Mod­ern Art Was Used As a Tor­ture Tech­nique in Prison Cells Dur­ing the Span­ish Civ­il War

What an 85-Year-Long Har­vard Study Says Is the Real Key to Hap­pi­ness

On the Pow­er of Teach­ing Phi­los­o­phy in Pris­ons

Based in Seoul, Col­in Marshall writes and broad­casts on cities, lan­guage, and cul­ture. His projects include the Sub­stack newslet­ter Books on Cities and the book The State­less City: a Walk through 21st-Cen­tu­ry Los Ange­les. Fol­low him on the social net­work for­mer­ly known as Twit­ter at @colinmarshall.


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  • Aaron says:

    Mis­lead­ing and gaslight­ing, Sure it can have these impacts over time but it’s not a guar­an­tee or the place every­one ends up giv­en the same dura­tion in iso­la­tion. These ppl out here are writ­ing emo­tion­al projects and call­ing it some­thing it isn’t and reach­ing for broad con­clu­sions is my com­ment.

  • Sarah says:

    I agree with this 100%
    After los­ing my job 2 years ago, I sank into depres­sion. Lost my insur­ance, and could­n’t address depres­sion issues, lost my meds…anxiety kicked in.…then pan­ic dis­or­der. I leave my house once a week to get gro­ceries and house­hold items. Also, im going through per­i­menopause so ive got the out­ra­geous hor­mon­al fluc­tu­a­tions to boot. Last week, I had three severe pan­ic attacks. I suf­fer with dis­as­so­ci­a­tion now too. I also have c‑ptsd from a pre­vi­ous trau­ma. In so grate­ful to have a hus­band who sup­ports me and makes me feel safe and Im hope­ful I will get out of this men­tal health sit­u­a­tion soon.

  • tts says:

    The “emo­tion­al project” is based off sol­id info from an expert who is cit­ed in the arti­cle and video: Ter­ry Kupers. Its not just made up by the arti­cle authors.

    If you’ve got some spe­cif­ic hard proof (ran­dom blog posts and “cuz’ I say so” aren’t it BTW) that what he is say­ing is either fac­tu­al­ly incor­rect or only effects a tiny minor­i­ty then you should post it.

    As is it sure comes off as if you’re just mak­ing stuff up and being rude.

  • Dallas says:

    Per­son­al­ly, for me being alone is a very dif­fer­ent and most­ly pos­i­tive expe­ri­ence, so I think it’s impor­tant to keep in mind that this arti­cle does­n’t apply to every­one. I find being alone very peace­ful! I think I enjoy it part­ly because I know it’s vol­un­tary; I’ve always been wel­comed into social groups, I just gen­er­al­ly don’t like them. I lis­ten well to peo­ple and feel empa­thy for them, but I start to get bored around most folks fair­ly eas­i­ly. When I’m alone I can use my time to focus on things that inter­est me instead, such as cre­ative pur­suits and learn­ing more on new sub­jects. I had two years of vol­un­tary unem­ploy­ment and spent most of it alone. I would have loved to have friends to go out with (I’d recent­ly moved and did­n’t know any­one local), but it did­n’t seem worth the effort to go out to try to meet peo­ple. Occa­sion­al­ly I did feel lone­ly, and I see how real­ly iso­lat­ed peo­ple can go some­what ‘stir crazy’, but I was for­tu­nate enough to have friends to talk with by phone a few times a week, and over­all I real­ly enjoyed my two solo years.

  • eagle says:

    Love thy­self. Can’t love oth­ers with­out lov­ing one­self first

  • Mark says:

    I’ve expe­ri­enced being alone for many years,it does­n’t feel good. At times I feel alright being alone; at times, I need time to think things over or read or write or even watch TV. Find­ing friends has­n’t been easy for me. Find­ing a friend that has things in com­mon that I do is a dif­fi­cult thing or should I say chal­leng­ing. Explor­ing things that I find inter­est­ing in this world is a chal­lenge in itself. So I will con­tin­ue the explo­ration with a few friends that I KEEP VISITING ON OCCASIONS.

  • Greg Fedorchuk says:

    Aaron, I do not see any mis­lead­ing or gaslight­ing in this arti­cle. I read it as a gen­er­al descrip­tion of the effects of social iso­la­tion. It did not spec­i­fy qual­i­ty or quan­ti­ty of the indi­vid­u­als response, or the dura­tion and inten­si­ty of the iso­la­tion. Any sailor who has been at sea for a few months with a lim­it­ed vari­ety of human inter­ac­tions and lim­it­ed space is like­ly to feel a strange sense of dis­con­nec­tion when they return to home port and their fam­i­ly.

  • sally says:

    I find that being alone can some­times be sad but I also find i’m learn­ing about myself. Hav­ing nev­er been alone before it was hard at first and takes time to adjust. I can do any­thing I want every­day so that is sat­is­fy­ing. My sons vis­it every time I ask them to come over which is comforting.I vis­it with my neigh­bors quite often and oth­er friends. I always seem to be busy doing some­thing. So life is good!

  • Praveen Gupta says:

    I have been told that if a per­son needs some­one to be hap­py that per­son must be mis­er­able. We need to like our­selves by devel­op­ing var­ied inter­ests, curios­i­ty or being social­ly engag­ing. As they say being alone is fine but being lone­ly is not, and good news is that it is by choice.

    Peo­ple devel­op depres­sion for many rea­sons, even when not lone­ly. Many times, very social­ly engag­ing and rich peo­ple have been in news for being very depressed.

  • Aamer Aslam says:

    I must say that express­ing a per­va­sive is dif­fi­cult. If this ani­ma­tion was cre­at­ed by a Unit­ed States trained Psy­chi­atric it is dis­play­ing advice of an unqual­i­fied per­son, which can be harm­ful.
    I’m an intre­pid patri­ot who’s a proud Amer­i­can. Unit­ed States of Amer­i­ca is the great­est coun­try in the world; leader of the free world. As obvi­ous from his­tor­i­cal abstrac­tion to get this place in the US had to sac­ri­fice its health care sys­tem. We used to have one but its been gone a while.

  • Brian says:

    Com­par­ing soli­tary con­fine­ment in prison to sim­ply self iso­lat­ing by your own free will is the prob­lem here. If you have your free­doms tak­en from you and any sort of com­fort and all you are left with is the abil­i­ty to social­ize with oth­er inmates, then you lose that as well, and get stuffed into a tiny cell with no TV, no inter­net, no enter­tain­ment except the cen­sored prison library, and have absolute­ly no con­tact with any oth­er human beings, then yes, it’s going to have pro­found­ly ter­ri­ble effects on your body and mind.

    But if you sim­ply stop hang­ing out with peo­ple in the reg­u­lar world because you pre­fer it over social­iz­ing, but you still have con­tact and con­ver­sa­tions with peo­ple at work, and when­ev­er you feel like going out, then no it’s not going to have these effects.

    The arti­cle is mis­lead­ing in the way it sum­ma­rizes the research done by Ter­ry Kupers, like it some­how applies to will­ful­ly cut­ting out your social inter­ac­tions when it’s about soli­tary con­fine­ment in prison. Two com­plete­ly dif­fer­ent sce­nar­ios. The research does not apply to those out­side of prison.

  • Gina says:

    I failed to have friends or walk­ing friends although I tried hard to get out of iso­la­tion. peo­ple are just scared of each oth­er. I live in Ore­gon if it mat­ters and my neigh­bors just behind closed doors hap­py com­plain­ing about lone­li­ness.

  • Jaline says:

    I think there might be a mis­lead­ing dif­fer­ence in how being alone affects extro­verts vs intro­verts. I retired sev­er­al years ago (I was a man­ag­er for a prop­er­ty man­age­ment com­pa­ny, in charge of a staff of 28 peo­ple in 4 depart­ments) and have found my soli­tary years to be a relief. I love to read, I write; I am an enthu­si­as­tic painter (acrylic, water-sol­u­ble oils, and water­colour) and I also enjoy a few dif­fer­ent com­put­er games. I do not have a cell­phone or TV (by choice) but watch clip­pings of news on YouTube and do Sudoku puz­zles at the same time, which I have learned helps me process what is going on in the world with­out get­ting stressed. I have always been very inde­pen­dent and although I enjoy going out for gro­ceries and appoint­ments (usu­al­ly once a week or every 10 days), I don’t miss social­iz­ing at all. I felt depres­sion a few times when I was work­ing because it real­ly mat­tered to me that I was doing the very best I was capa­ble of and some­times I felt I had failed. (Espe­cial­ly any time I had to fire some­one from their job.) Free of all of that, I have not felt depressed once and nor do I ever feel lone­ly. As the old say­ing goes: “My real home is wher­ev­er I am at,” and I’m sure there is also one that says, “I am my own best friend and com­pan­ion.”

  • Linda Marshall says:

    As some­one involved in teach­ing com­mu­ni­ca­tion skills and strate­gies to the hard of hear­ing, I find this inter­est­ing and per­sua­sive. Many peo­ple with hear­ing loss, espe­cial­ly the elder­ly, iso­late because com­mu­ni­ca­tion is so dif­fi­cult and frus­trat­ing. So it’s vol­un­tary, but not real­ly. It appears to have strong links to depres­sion and even demen­tia.

  • Xavier Raicer says:

    Hel­lo, your behav­ior does not seem to orig­i­nate from iso­la­tion. You are expe­ri­enc­ing this dis­or­der because you lost your job and are wor­ried you may not be able to get anoth­er.

  • Craig Myers says:

    It does­n’t both­er me! I like being by myself. A book called “Lon­er” explains it all. Con­sid­er­ing how mankind has degen­er­at­ed, being alone has its ben­e­fits!

  • Irma G says:

    I believe it could be age relat­ed. As a young woman just out of high school, and hav­ing grown up in a real­ly big fam­i­ly, I could not bear the thought of being out there alone and on my own.
    I was able to over­come that feel­ing over time — years I believe — and now in my old­er years I can say that I enjoy the time I have on my own and also hav­ing pri­va­cy — which was not a giv­en grow­ing up around lots of peo­ple and at the same time still lone­ly at times.
    In all real­i­ty, it is time that changes our per­cep­tion of what being alone or lone­li­ness means.

  • RLR says:

    I’ve also read about peo­ple who expe­ri­enced spir­i­tu­al ecsta­sy in being her­mits for long peri­ods of time. I think being alone means not con­cern­ing one­self with social climb­ing, being “nor­mal”, com­pet­ing or try­ing to impress oth­ers, and instead a per­son can be them­selves with­out judg­ment. There was a quote by a for­mer long-term her­mit that said some­thing sim­i­lar.

    I agree with Irma that it may be age-relat­ed. In my younger age I want­ed so much to merge with oth­ers. Now I have expe­ri­enced what con­nec­tion with oth­ers feels like. Most of the argu­ments peo­ple have are tir­ing and I don’t trust peo­ple eas­i­ly, and being alone is when I can real­ly relax where oth­er times I felt afraid or like a fail­ure for doing things alone.

    Since the pan­dem­ic, soli­tude has increased for a lot of peo­ple, and I think a fair amount pre­fer it or peo­ple would fig­ure out how to inter­act with each oth­er in some way.

    (I do notice a lot of soli­tary peo­ple expe­ri­ence oth­er peo­ple sec­ond­hand: TV, radio, music, read­ing books about peo­ple, etc and I think for some peo­ple this is a safe way to inter­act with peo­ple.)

  • Jason says:

    First of all the title is very mis­lead­ing. You can’t com­pare forced iso­la­tion and cho­sen iso­la­tion. Soci­ety is always throw­ing around what is healthy and what is not. If we aren’t con­form­ing to what is “nor­mal” then we are sick, bro­ken, depressed or what­ev­er label you want to put on it. Do you know what hap­pens when I social­ize? I feel drained for days after­wards. It isn’t just tired. I feel like I am a bat­tery and all my ener­gy was drained from me. The annoy­ing igno­rance of the mass­es for small talk is deplorable. Who the hell cares where you work or how the weath­er is. I can’t talk about what I real­ly want to talk about either because peo­ple look at you with this glazed over look in their eyes. Yes, maybe I am strange for want­i­ng to talk about black holes or oth­er dimen­sions. I mean we can even talk about physics or quant mechan­ics. Oh what? Umm yeah sure the weath­er is great 👍

    Don’t lis­ten to this per­son who hope­ful­ly did not waste time going to col­lege to write this non­sense that has been writ­ten and re writ­ten so many times. I mean at least make up new non­sense so it is enter­tain­ing.

    I thought jour­nal­ism was dying because of the inter­net, but maybe it is just that peo­ple aren’t intel­li­gent enough to come up with their own sto­ries.

  • Mark Hollingswoth says:

    the best thing in my life is my iso­la­tion from all the idiots

  • Amos says:

    I hear you that it sounds reduc­tive and over­sim­pli­fied out of context–but it’s impor­tant to know that this is a research sum­ma­ry, and there is a moun­tain of data behind it. These authors did­n’t write an emo­tion­al project, they wrote a report of many of them, com­prised of actu­al data, which they sum­ma­rized. I doubt their inten­tion is to negate peo­ple who out­lie the trend.

    This par­tic­u­lar finding–that depth (not breadth) of social con­nec­tions is the best pre­dic­tor for happiness–is cor­rob­o­rat­ed by one of the most famous and ambi­tious stud­ies of this sort, by Har­vard span­ning 85 years. Of course like all stud­ies it is flawed (for exam­ple it was I think all white Har­vard stu­dents), though the find­ing this arti­cle focus­es on is cor­rob­o­rat­ed by many small­er and broad­er stud­ies, so it’s safe to say it’s not iso­lat­ed (pun not intend­ed).

    In your defense, this par­tic­u­lar report does sound a lit­tle reduc­tive and over­sim­pli­fied if you don’t know that con­text, as it is a very short stub sum­ma­riz­ing not just one study but a whole body of research. Per­haps you’d find more affir­ma­tion of your unique expe­ri­ence by click­ing the “relat­ed arti­cle” links above, which are sure to give more details, like what excep­tions there may have been to the pat­tern.

    And if there’s not, per­haps your case would be a good one to study to diver­si­fy the avail­able data! Thank good­ness sci­ence is a pub­lic com­mu­ni­ty, not a pri­vate enti­ty. It’s meant to rep­re­sent as close to every­one as pos­si­ble, so if you feel left out, speak up!

  • Joe says:

    Yes! Cho­sen Iso­la­tion is very dif­fer­ent. I became par­tial­ly dis­abled a few years ago and as a result, the social activ­i­ties I can par­tic­i­pate in became sig­nif­i­cant­ly reduced. I was already an intro­vert and worked alone most of the day to my own con­tent­ment, but my added dis­abil­i­ty forced me to cross what once felt like a healthy line of bal­anced inter­ac­tion. I now live what feels very much like a type of forced iso­la­tion and I have learned that I have to make extra efforts to reach out to oth­ers sim­ply to avoid depres­sion. There is a chance that my con­di­tion can be improved with addi­tion­al surgery which I will find out about after my next MRI which is sched­uled for next week, and I can bare­ly wait. Just to have the option to CHOOSE to be alone like I did in the past would feel like a huge bless­ing to me.

  • Apollo says:

    In order to under­stand the world, one has to turn away from it on occa­sion; in order to serve men bet­ter, one has to hold them at a dis­tance for a time. But where can one find the soli­tude nec­es­sary to vig­or, the deep breath in which the mind col­lects itself and courage gauges its strength?” –Albert Camus

    In short, you need a bal­ance of doing and being. In the mod­ern world, there is too much empha­sis on the doing, not enough on the being. Spend­ing time alone is about being. It’s about being you, free from exter­nal demands and expec­ta­tions, free from the sen­sa­tion of rest­less­ness, free from even your own ego. So, stop and small the ros­es.

  • Philbat says:

    Pris­on­ers in soli­tary con­fine­ment is dif­fer­ent from what’s sug­gest­ed in the arti­cle title.
    In the end, it depends on how you use the social iso­la­tion. If you use it to pur­sue your deep­est hob­bies, inter­ests, and pur­suit of truth of how the world oper­ates, then you won’t like­ly be so bad off. I admit edu­ca­tion can be a fac­tor here. If you’re raised to respect the rig­or­ous crit­i­cal think­ing and con­sume “High-IQ” con­tent by rec­og­nized schol­ars in the var­i­ous fields, then that has less dam­ag­ing impact on your san­i­ty.

    More impor­tant, gain knowedge of not just know­ing some­thing is true, but HOW we know some­thing is true. This is espe­cial­ly impor­tant in this dis­in­for­ma­tion age.

  • Sander says:

    “Unsur­pris­ing­ly, per­haps, iso­la­tion takes its great­est toll when imposed against the will of the iso­lat­ed” ok, so the con­clu­sions of the arti­cle which all are going to be based on the assump­tion that it IS against my will, don’t apply to me then. It’s like when a deeply reli­gious per­son tries to com­pel me to do some­thing, and pref­aces it with “do you believe in god”. I say “no”, and they don’t even know how to pro­ceed except to insult me, they were rely­ing on work­ing from me say­ing “yes” as a start­ing point to coerce me and it derailed their only strat­e­gy.

    I don’t want to make con­tact with any­one, because every­one is my ene­my. It’s like when I learned the more spe­cif­ic les­son, of not desir­ing approval or com­pan­ion­ship with women. Once I learned that they all have deep con­tempt and hatred for men, it com­plete­ly killed any sex­u­al intrigue, any desire for friend­ship, approval from them, any desire to even talk to them, and indeed any sym­pa­thy I might have for them. The feel­ing is now mutu­al as it should be. Show no mer­cy, for you shall receive none. And I’m sure that any that read this will try to call me an incel or shame me in some oth­er sim­i­lar way they con­sid­er to be the gravest of insults, to gaslight me or any­one this res­onates with, to try to paint me as bro­ken and pro­mote the idea that my thoughts and opin­ions are there­fore invalid, because that’s their reac­tion to men who don’t con­form with their image of what a man should be, who does­n’t wor­ship the ground beneath their feet. And to you, I don’t care what you think. But once I learned that les­son, that freed me, I real­ized I had been oper­at­ing from an intrin­sic gyno­cen­tric bias my whole life until then, and that with it gone I was see­ing things as they actu­al­ly were. It left me bewil­dered why I was ever even try­ing to con­nect with them in any way in the first place, how sil­ly that was even as a goal. And then I real­ized the same was true of oth­er men, I should­n’t seek their approval or friend­ship either, because the only dif­fer­ence in how they see me is that instead of con­tempt, they have indif­fer­ence. I’m at best a resource to use.

  • Debbie says:

    For me, I have social anx­i­ety so being alone is much more calm­ing than being around oth­ers. When I’m with oth­er peo­ple, I feel like I’m being judged due to my inabil­i­ty to be very social with them. It is dif­fi­cult for me to make small talk as I don’t have much to say due to lead­ing a very bor­ing exis­tence (to oth­ers); how­ev­er I am quite con­tent with my life while I don’t have to pre­tend to be some­thing that I am not when around oth­ers. That is exhaust­ing for me and I pre­fer to be gen­uine. The gen­uine me is not what oth­er peo­ple enjoy so I have come to real­ize that my life alone is okay.

  • Tess Kanto says:

    Do you live in a red state with trump morons??

  • Martin says:

    Right on! I often find social­is­ing painful. I did­n’t read the arti­cle but I think the kind of social con­tact that is good is the kind where you can talk about black holes or oth­er dimen­sions. Like with fam­i­ly mem­bers or close friends.

    Also, estab­lish­ment jour­nal­ism is dying because there are more hon­est inde­pen­dent peo­ple who do it online, for free.

  • Martin says:

    That was meant to be a reply to Jason by the way.

  • Peter says:

    Church atten­dance can help at a range of lev­els.

  • Joe Public says:

    No thanks. Con­sid­er­ing the fact most peo­ple these days are absolute idiots I’m hap­pi­er on my own with­out social non­sense, and have been so since about 2019 now.

  • Scott says:

    Are you an expert? Have you spo­ken to peo­ple who have endured it? What expe­ri­ence do you have on the mat­ter? I have dealt with it myself and seen it in oth­er and I think you have no right to say this.

  • Scott says:

    Degen­er­at­ed? How so?

  • Scott says:

    Explains your won­der­ful atti­tude.

  • Scott says:

    And the best thing is you keep to your­self away from pleasent peo­ple

  • Billy Bob says:

    I have been liv­ing alone in the desert for sev­er­al years. Its not bad once you get used to it. You open up a new world that you did know exist­ed before soli­tude.

  • maria mulligan. says:

    Food for thought. Of course, it is all about bal­ance and choise. Too much of any­thing is bad, as is too lit­tle. Since my hus­bands death two years ago I have been thrust into a world where I am alone a lot of the time. I am lucky that I can enjoy my own com­pa­ny, and a lot of the things I do can be done alone. Of course, hav­ing bereave­ment added to the sit­u­a­tion is not a good way to judge the pos­i­tive and neg­a­tive aspects to iso­la­tion. We like to be around peo­ple, but it is not a good thing to become depen­dent on that.

  • dick bradshaw says:

    Charles Dick­ens him­self got so fed up of being mythered all the time that he bought a small vil­la where he could iso­late him­self and work. per­son­al­ly I like iso­la­tion and find, like bore­dom, that its a state of mind that an active mind can cope with.

    A bit like the char­ac­ter Andy Dufresne in Shaw­shank!

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