Momma yensua Magnetoencephalography (MEG) sɔhwɛ a ɛkyerɛ w’amemene dwumadi ho mfonini no ho ade.

So woate sɔhwɛ yi a wɔfrɛ no `(Magnetoencephalography)` anaa `(MEG)` ho asɛm pɛn? Ebia oduruyɛfo bi aka akyerɛ wo anaa obi a wunim no sɛ ɔnyɛ eyi. Nsuro, nokwarem no eyi yɛ sɔhwɛ kwan a ɛkɔ akyiri yiye, na ɛnpira yɛn nipadua wɔ ɔkwan biara so. Ɛnnɛ, yɛbɛka saa `(MEG)` sɔhwɛ yi ho asɛm wɔ ɔkwan a ɛnyɛ den so a wobɛtumi ate aseɛ.

Dɛn ne MEG? Ɛyɛ mmerɛw yiye!

Sɛ yɛbɛka no tiawa a, `(MEG)` yɛ sɔhwɛ a ɛsusuw magnetic field a anyinam ahoɔden a ɛwɔ w’amemene mu de ba no. Fa no sɛ, ɛte sɛ nea wɔresesa anyinam ahoɔden nkrasɛm nketenkete wɔ yɛn amemene mu . Saa anyinam ahoɔden yi ma magnetic field ba. Saa magnetic fields no ne nea saa `(MEG)` afiri yi susuw.

Eyi ma nnuruyɛfo hu w’amemene dwumadi te sɛ asase mfonini. Eyi boa titiriw wɔ tebea horow te sɛ akisikuru , baabi a wobetumi akyerɛ baabi pɔtee a akisikuru fi amemene no mu no.

Adeɛ a ɛho hia paa ne sɛ saa sɔhwɛ yi nsɛe nipadua no (`noninvasive`). Ɛno kyerɛ sɛ enhia sɛ wode nnade bɛhyɛ mu anaasɛ woyɛ oprehyɛn. Wonnya mframa te sɛ `(X-rays)`. Wɔ mprempren akwan horow no mu no, saa `(MEG)` yi ne ɔkwan a ɛkɔ akyiri sen biara a wɔfa so kyerɛw amemene no dwumadi na wɔhwehwɛ mu.

Dɛn ne mfaso horow a ɛwɔ MEG sɔhwɛ so?

Ntini mu aduruyɛfo ne ntini mu oprehyɛn ho animdefo de saa (MEG) sɔhwɛ yi di dwuma esiane nneɛma atitiriw abien nti:

1. Hwɛ sɛnea w’amemene no yɛ adwuma a ɛba ara kwa. Eyi betumi aboa ma wɔahu baabi pɔtee a akisikuru wɔ wɔ obi a ɔwɔ akisikuru mu. Eyi ho hia yiye ma akisikuru oprehyɛn ho nhyehyɛe. Fa no sɛ Samantha anya akisikuru na ɛsɛ sɛ wɔyɛ no oprehyɛn. Afei nnuruyɛfo no yɛ MEG de hwɛ amemene no fã a akisikuru no fi, na wɔde wɔn ani si saa fã no nkutoo so na wɔyɛ oprehyɛn no.

2. Hwehwɛ sɛnea w’amemene no yɛ n’ade wɔ nneɛma a efi akyi ba ho no mu.Eyi ma wotumi yɛ amemene no mmeae a ɛfa kankyee, nkate, kasa, anisoadehu, ne nea ɛkeka ho ho mfonini pɛpɛɛpɛ Eyi ho wɔ mfaso kɛse ma oprehyɛn ho nhyehyɛe ma nnipa a wɔwɔ amemene mu akisikuru.

Nea ɛka ho no, MEG nso yɛ ntini ne adwenemyare ho nhwehwɛmu fã a ɛho hia yiye, baabi a nyansahufo reyɛ nhwehwɛmu de anya onipa amemene no dwumadi ho ntease a emu dɔ.

Ɔkwan bɛn so na MEG sɔhwɛ no yɛ adwuma? Nyansahu mu asɛm kakra, nanso ɛnyɛ den!

Ntini mu nkwammoaa a ɛwɔ yɛn amemene mu no ne wɔn ho wɔn ho di nkitaho denam anyinam ahoɔden nketenkete a ɛma ɛba no so. Sɛ anyinam ahoɔden yi sen a, ɛma magnetic field ba. Wɔnam magnetic sensor ahorow a ɛyɛ mmerɛw a ɛwɔ MEG afiri no mu so hu saa magnetic field ahorow no, kyerɛw to hɔ, na wɔhwehwɛ mu.

Nanso, saa magnetic field a w’amemene no de ba yi yɛ mmerɛw yiye, yiye. Enti, ɛho hia sɛ wɔde sensor nhyehyɛe titiriw bi kyere saa sɛnkyerɛnne no. Saa nhyehyɛe ahorow yi yɛ coil nketewa a ɛyɛ fɛ yiye. Eyinom na wɔde abɔ mfiri a wɔfrɛ no SQUIDs – superconducting quantum interference mfiri ho. Saa sensor ahorow yi bɛboro 300 na ɛwɔ afiri bi a ɛte sɛ dade kyɛw a wohyɛ bere a woreyɛ sɔhwɛ no mu.

Bere a woda hɔ dinn, ɛtɔ mmere bi a woretie nnyigyei, anaa woreyɛ biribi te sɛ mfonini a wobɛhwɛ no, sensor ahorow a ɛwɔ saa dade kyɛw yi mu, ne kɔmputa so dwumadi titiriw bi bom yɛ adwuma de hu ntini mu nkwammoaa dwumadi na wɔkyerɛw to hɔ. MEG kyerɛw nsɛnkyerɛnne a ɛfata ne nea ɛnteɛ wɔ amemene no mu milisekɔn biara . Afei wɔda saa magnetic field ahorow yi adi wɔ kɔmputa so ka w’amemene no nipadua ho mfonini bi ho. Wei ma wotumi "yɛ map out" baabi a amemene no dwumadi ahorow bi fi ase ne bere a ɛba.

Wobɛyɛ dɛn asiesie wo ho ama MEG sɔhwɛ?

Sɛ woreyɛ MEG nhwehwɛmu a, wo duruyɛfo bɛkyerɛ wo sɛ ɛsɛ sɛ wugyae adidi anaa anonne ansa na wɔayɛ nhwehwɛmu no anaa. Ɔbɛsan nso akyerɛ wo sɛ ɛhia sɛ woyɛ nsakraeɛ biara wɔ wo nnuru anaa wo da biara da dwumadiɛ mu.

• Mfa aduru a wɔde yɛ wo ho anaa nnuru a wɔde yɛ ti nhwi nhyɛ da a wɔbɛyɛ sɔhwɛ no. Ebia wɔbɛtwetwe sɔhwɛ no.
• Afei nso, wuntumi mfa dade nneɛma biara mmra sɔhwɛ dan no mu. Sɛ nhwɛso no, agude, ahwehwɛ, ti nhwi a wɔde hyɛ, underwire bras, ne ntade a wɔde dade ayɛ. Sɛ ɛho hia a, wɔbɛma wo aduruyɛ atade a wobɛhyɛ.

Ɛhia:Sɛ wode nnuru bi ahyɛ wo nipadua mu anaa akyi a, akyinnye biara nni ho sɛ ɛsɛ sɛ woka kyerɛ wo duruyɛfo ansa na woayɛ nhwehwɛmu. Sɛ dade wɔ mu, sɛ ɛwɔ biribi a ebetumi asiw magnetic field kwan, anaasɛ wontumi nyi mfi hɔ a, ebia worentumi nyɛ sɔhwɛ yi. Saa mfiri yi bi ne:

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* Koma mu ntini a wɔde nsa ayɛ.

* Nkwaa a wɔde ayɛ anaa nkwaa a wɔde dade ayɛ.

* Nnwinnade a ɛma koma no yɛ den ne nea ɛma koma no yɛ kɛse.

* Amemene mu ntini ahorow bi a ɛma mogya tu.

* Dade nhama bi a wɔde ahyɛ mogya ntini mu.

* Nneɛma a wɔde hyɛ asom.

* Nnuru a wɔde hyɛ mu hyɛn gyinabea ahorow a wɔde ahyɛ nipadua mu.

* Ntini a ɛkanyan ntini a wɔde ahyɛ nipadua mu.

* Dade a wɔde hyɛ sẽ mu.

* Dade pin, nkɔnsɔnkɔnsɔn, mprɛte, stent anaa oprehyɛn staples.

* Shunts a wotumi yɛ ho nhyehyɛe.

Dɛn na ɛsɛ sɛ yɛhwɛ kwan wɔ MEG sɔhwɛ no mu?

Ɛdenam nea enti a wɔyɛ MEG sɔhwɛ no so no, ebia nsakrae kakraa bi bɛba sɔhwɛ nhyehyɛe no mu. Mpɛn pii no, eyi ne nea ɛba:

1. Ɛho behia sɛ wuyi dade nneɛma nyinaa fi wo nipadua mu na wohyɛ aduruyɛ atade .

2. Ebia ɛho behia sɛ wɔma nkokoaa ne mmofra nkumaa nnuru a wɔde dwo anaasɛ wɔma wɔn aduru a wɔde kum nipadua no nyinaa na aboa wɔn ma wɔakɔ so ayɛ dinn bere a wɔreyɛ MEG sɔhwɛ no. Sɛ eyi te saa a, wɔde afiri ketewaa bi a wɔfrɛ no IV bɛhyɛ ntini bi a ɛwɔ abasa no mu mu de ama aduru no.

3. Sɛnea ɛbɛyɛ na oduruyɛfo betumi ahwɛ ahu sɛ wo ti wɔ beae a ɛfata bere a wɔde toto sensor ahorow a ɛwɔ dade kyɛw no so no ho no, oduruyɛfo betumi de nhama nketewa abiɛsa anaa anan (`positioning coils`) abɔ wo ti so wɔ mmeae abiɛsa anaa anan bere tiaa bi . Afei, wɔde `afiri soronko bi a ɛte sɛ poma` bɛsusu saa coils yi gyinabea.

4. Sɛ wopɛ sɛ woyi magnetic nsɛnkyerɛnne nketenkete a ebia ɛbata wo nipadua ho fi nneɛma a atwa wo ho ahyia no mu a, oduruyɛfo bi de afiri kurukuruwa bi (a wɔfrɛ no `degausser`) bɛfa wo nipadua so.

5. Afei, wɔbɛma woada sɔhwɛ pon a wotumi tu so, anaasɛ wɔde wo bɛto nkongua soronko bi a ɛbata `(MEG)` afiri no ho so.

6. Oduruyɛfo no de dade kyɛw a `(MEG)` sensor ahorow no wom no bɛto wo ti so. Sɛ wohyɛ saa dade kyɛw yi a, wobɛte `claustrophobia` nka kakraa bi pɛ. Adeɛ a ɛho hia paa ne sɛ wode wo ti bɛto dade kyɛw no mu sɛdeɛ ɛbɛyɛ a w’amemene no bɛbɛn `(MEG)` afiri no sensor ahodoɔ no sɛdeɛ ɛbɛyɛ yie.

7. Ɛdenam nea enti a woreyɛ sɔhwɛ no so no, wobetumi aka akyerɛ wo sɛ da hɔ dinn anaasɛ da fam.Ɛho hia yiye sɛ wobɔ mmɔden sɛ wobɛma wo ti ayɛ dinn bere a woreyɛ sɔhwɛ no.

8. Sɛ wopɛ sɛ woyɛ w’amemene no mmeae a wote nka no ho mfonini a, sɔhwɛ no ka kyerɛ wo sɛ yɛ nnwuma bi. Sɛ nhwɛso no, nsɛmfua a wobɛkenkan wɔ screen so, nsɛmmisa a wobua, anaa bɔtn bi a wobɛmia mpɛn pii.

9. Ɛtɔ da bi a, oduruyɛfo betumi ama wo anyinam ahoɔden ketewaa bi de asusuw sɛnea w’amemene yɛ n’ade wɔ ho. Ɛbɛma woate nka sɛ wɔrebɔ wo, nanso ɛrenyɛ yaw.

10. Sɛ oduruyɛfo no nya nsɛm a wohia nyinaa wie a, wɔyɛ nhwehwɛmu no wie. Afei ɔbenfo bi hwehwɛ amanneɛbɔ ahorow no mu.

Wɔ sɔhwɛ no mu no, worente nkate biara mfi MEG afiri no mu anaasɛ worente ɛyaw biara. Intercom nhyehyɛe a ɛfa akwan abien so ne video a wɔde hwɛ nneɛma so wɔ dan no mu, enti wubetumi ne onipa a ɔreyɛ sɔhwɛ no akasa bere biara, na wɔne wo akasa.

Nnuruyɛfo binom nso betumi ayɛ EEG (electroencephalogram) anaa MRI (magnetic resonance imaging) scan aka MEG nhwehwɛmu no ho. Sɛ ɛba saa a, wobetumi de anammɔn foforo aka ɔkwan a wɔfa so yɛ no ho.

``(MEG)`` sɔhwɛ no taa gye bɛyɛ dɔnhwerew biako anaa abien ansa na wɔawie.

Dɛn na ɛba wɔ MEG sɔhwɛ no akyi?

Sɛ wɔmaa wo anaa wo ba no aduru a ɛma wo ho dwo anaasɛ wɔde aduru a ɛma wotumi dwensɔ ma wɔyɛɛ nhwehwɛmu no a , oduruyɛfo bɛhwɛ wo simma 30 kosi nnɔnhwerew abien wɔ nhwehwɛmu no akyi de ahwɛ ahu sɛ wo ho retɔ wo yiye. Ɛho behia sɛ obi de wo kar kɔ fie.

Gye sɛ wɔma wo nnuru a ɛma wo ho dwo, bere titiriw biara nni hɔ a ɛho hia sɛ wo ho tɔ wo. Wubetumi asan afi wo dwumadi ahorow a wotaa yɛ no ase.

So asiane bi wɔ MEG nhwehwɛmu mu?

Eyi ne asɛmpa a eye sen biara! Asiane biara nni hɔ a mprempren `(MEG)` sɔhwɛ no ahu. Enti biribiara nni hɔ a enti ɛsɛ sɛ yesuro.

Bere tenten ahe na egye na wɔahu nea efi MEG sɔhwɛ no mu ba?

Ebetumi agye nnuruyɛfo atitiriw nna pii, ɛtɔ mmere bi a adapɛn pii, na wɔasan ahwɛ nea efi MEG nhwehwɛmu bi mu ba no mu. Nea enti a ɛte saa ne sɛ nnuruyɛfo de MEG nhwehwɛmu di dwuma de yɛ amemene mu oprehyɛn a emu yɛ den ho nhyehyɛe, a ebetumi ama nnuruyɛfo atitiriw pii abom ayɛ adwuma.

Sɛ wɔyɛ nhyehyɛe bi wie a, w’aduruyɛfo kuw no ne wo bɛbɔ nea ebefi mu aba no ho nkɔmmɔ na wɔasusuw nea ɛsɛ sɛ wɔyɛ akyi.

Nsonsonoe bɛn na ɛda MEG ne MRI ntam?

Ɛwom sɛ eyinom abien nyinaa yɛ amemene mu nhwehwɛmu de, nanso nsonsonoe kakra wɔ mu.

• MRI (magnetic resonance imaging) a wɔde yɛ amemene no de magnet kɛse ne kɔmputa di dwuma de yɛ w’amemene no mfonini denam nhyehyɛe ho nsɛm a wɔboaboa ano so. Ɛne sɛ, sɛnea amemene no te ne sɛnea wɔahyehyɛ afã horow no.
• Nea ɛka MEG ho ne sɛ wode nneɛma titiriw ɔhaha pii ne kɔmputa bɛkyerɛw magnetic fields a efi ntini mu nkwammoaa (neurons) a ɛwɔ w’amemene mu no mu.Saa mfuw yi da adi sɛ amemene mu asorɔkye.

Nnuruyɛfo taa de MRI ne MEG bom yɛ oprehyɛn bi a wɔfrɛ no Magnetic Source Imaging (MSI) . MSI betumi ayɛ amemene no dwumadi ho mfonini ahorow a ɛyɛ adwuma.

MEG nso yɛ soronko wɔ MRI a ɛyɛ adwuma (fMRI) ho. fMRI hwɛ nsakrae a ɛba mogya a ɛkɔ w’amemene no afã horow bi mu bere a woreyɛ nnwuma bi no. MEG ne fMRI nyinaa hwɛ amemene no dwumadi, nanso MEG da mmeae pɔtee bi a ɛyɛ adwuma adi. fMRI kyerɛ mmeae a ɛwɔ hɔ nyinaa. Bio nso, MEG ye wɔ sɛnea amemene no dwumadi sesa bere a bere kɔ so (bere mu su ahorow) a ɛkyerɛ no mu.

Nsonsonoe bɛn na ɛda MEG ne EEG ntam?

Nsonsonoe a edi kan a ɛda nhwehwɛmu abien a wɔde hu yare yi ntam ne:

• EEG (electroencephalography) kyerɛw anyinam ahoɔden dwumadi a ɛwɔ w’amemene mu.
• MEG kyerɛw magnetic fields a ɛwɔ w’amemene mu (a anyinam ahoɔden dwumadi na ɛde ba).

Nsonsonoe foforo ne sɛ MEG yɛ nea ɛyɛ mmerɛw kɛse na ɛyɛ pɛpɛɛpɛ wɔ amemene no dwumadi a wɔkyerɛw to hɔ no mu sen EEG. Wo ti nhwi ne wo amemene mu nsu (CSF) betumi akyinkyim anyinam ahoɔden dwumadi a EEG akyerɛw ato hɔ no. Nanso, saa ntini ahorow yi nkyinkyim magnetic field no. Eyi ma MEG nya w’amemene no “mfonini” a eye, anaasɛ ahunmu nsusuwii . Ɛne sɛ, ebetumi akyerɛ mmeae a dwumadi a ɛnyɛ ne kwan so wɔ.

Ɛtɔ mmere bi a nnuruyɛfo ne MEG no yɛ EEG de boaboa baabi a amemene no dwumadi fi ba no ho nsɛm pii ano.

Nkrasɛm a ɛho hia ma wo.

Sɛnea wubetumi ahu no, sɔhwɛ yi a wɔfrɛ no Magnetoencephalography (MEG) no yɛ sɔhwɛ a mfaso wɔ so kɛse, asiane biara nni ho, na ahobammɔ wom a ɛboa nnuruyɛfo ma wɔyɛ w’amemene no mmeae a ɛyɛ mmerɛw no ho mfonini na wohu baabi pɔtee a nneɛma te sɛ akisikuru wɔ.

Sɛ wowɔ ``(MEG)`` sɔhwɛ na wowɔ dadwen anaa adwenem naayɛ biara wɔ ho a, hwɛ hu sɛ wobɛbisa wo duruyɛfoɔ. Wɔwɔ hɔ sɛ wobebua wo nsɛmmisa na wɔaboa wo. Nsuro biribiara!

` MEG, Magnetoencephalography, amemene mu nhwehwɛmu, akisikuru, akisikuru, amemene mu oprehyɛn, ntini mu yare