So wo anaa obi a wunim no wɔ tebea bi te sɛ akisikuru? Anaasɛ woapɛ sɛ wuhu baabi pɔtee a amemene no afã horow a ɛho hia a ɛhwɛ kasa ne kankyee so no wɔ ansa na wɔayɛ wo amemene no oprehyɛn pɛn? Ɛnnɛ yɛreka sɔhwɛ a ɛkɔ anim yiye, ɛnyɛ yaw, na ahobammɔ wom a nnuruyɛfo de di dwuma wɔ mmere te sɛ eyinom mu ho asɛm. Wɔfrɛ no MEG scan.
Sɛ yɛbɛka no tiawa a, dɛn ne saa MEG yi?
MEG, anaa Magnetoencephalography, yɛ sɔhwɛ a wɔde susuw magnetic field a ɛyɛ anifere koraa a anyinam ahoɔden nsɛnkyerɛnne a yɛn amemene mu nkwammoaa de ma no de ba no. Sɛ yɛbɛka no pɛpɛɛpɛ a, eyi yɛ ɔkwan a amemene no fa so yɛ yɛn amemene no dwumadi ho mfonini.
Nea eye sen biara ne sɛ ɛnyɛ yaw koraa na ɛnyɛ nea wɔde hyɛ nipadua no mu. Eyi kyerɛ sɛ wɔmfa nnade biara nni dwuma, wontwitwa, na wɔmfa mframa biara te sɛ X-ray nhyia wo. MEG ne ɔkwan a ɛkɔ akyiri sen biara wɔ wiase a wɔfa so kyerɛw amemene no dwumadi na wɔsɔ hwɛ.
Wɔ tebea horow bɛn mu na wɔyɛ MEG sɔhwɛ?
Ntini mu aduruyɛfo ne ntini mu oprehyɛn ho animdefo de MEG sɔhwɛ yi di dwuma esiane nneɛma atitiriw abien nti.
| Bere a ɛsɛ sɛ wode sɔhwɛ no bedi dwuma | Mfaso a ɛwɔ so |
|---|---|
| Wɔ akisikuru ho | Wɔde eyi kyerɛ beae pɔtee a ɛde akisikuru no reba amemene no mu. Saa nsɛm yi ho hia yiye ma akisikuru oprehyɛn ho nhyehyɛe. |
| Wɔ amemene mu oprehyɛn ho | Ansa na wɔbɛyɛ oprehyɛn te sɛ amemene mu akisikuru a wobeyi afi hɔ no, sɔhwɛ yi boa ma wɔyɛ baabi pɔtee a amemene no afã horow a ɛhwɛ dwumadi ahorow a ɛho hia te sɛ kankyee, kasa, anisoadehu, ne nsa a wɔde ka ade so no wɔ. Eyi betumi atew asiane a ɛwɔ hɔ sɛ mmeae a ɛho hia yi bɛsɛe bere a wɔreyɛ oprehyɛn no so. |
Bio nso, MEG yɛ adwinnade a ɛho hia wɔ nyansahu mu nhwehwɛmu mu na ama wɔanya onipa amemene no dwumadi ho ntease a emu dɔ.
Ɔkwan bɛn so na saa afiri yi yɛ adwuma?
Ɛyɛ mmerɛw yiye. Ntini a ɛwɔ yɛn amemene mu no ne wɔn ho wɔn ho di nkitaho denam anyinam ahoɔden nketenkete paa a ɛma ɛba no so. Sɛ anyinam ahoɔden yi sen a, magnetic field bi twa wɔn ho hyia.
MEG afiri no de sensor bɛboro 300 a ɛyɛ mmerɛw kɛse , a wɔde si afiri bi a ɛte sɛ dade kyɛw a wode hyɛ wo ti so, di dwuma de hu saa magnetic field ahorow yi, kyerɛw to hɔ, na ɛhwehwɛ mu. Saa nneɛma a ɛma wohu nneɛma yi te nka araa ma wotumi fa magnetic field nketenkete a efi yɛn amemene mu ba mpo. Wɔfrɛ saa sensor ahorow yi SQUIDs (superconducting quantum interference devices).
Saa sensor ahorow yi ne kɔmputa so softwea soronko yi bom kyerɛw w’amemene no dwumadi milisekɔn biara, sɛ́ ebia wote hɔ dinn anaasɛ woreyɛ biribi (e.g., worehwɛ mfonini anaa worekenkan nsɛmfua). Awiei koraa no, wɔde saa nsɛm yi ka w'amemene mfonini ho, a wɔda no adi wɔ kɔmputa so sɛ "asase mfonini" a ɛkyerɛ w'amemene no afã horow a ɛyɛ adwuma.
Ɔkwan bɛn so na wobetumi asiesie wɔn ho ama MEG sɔhwɛ no?
Wo duruyɛfo bɛma wo akwankyerɛ titiriw biara a wuhia ansa na wɔayɛ nhwehwɛmu yi.
- Oduruyɛfo no bebisa sɛ ɛsɛ sɛ wokwati adidi anaa anonne kakra ansa na wɔayɛ nhwehwɛmu no anaa.
- Wɔbɛtu wo fo nso wɔ sɛ ebia ɛsɛ sɛ woyɛ nsakraeɛ biara wɔ nnuru a wonom no mu anaa.
- Mfa aduru nhyɛ wo ti nhwi da a wɔbɛyɛ sɔhwɛ no, na mfa gel anaa aduru biara nni dwuma wɔ wo ti nhwi so. Saa nneɛma yi betumi asiw sɔhwɛ no mu aba no kwan.
- Worentumi mfa dade nneɛma biara mmra sɔhwɛ dan no mu. Eyi kyerɛ sɛ ɛsɛ sɛ wuyi agude, ahwehwɛ, nwi a wɔde hyɛ, anaa underwire bras biara fi hɔ. Sɛ ɛho hia a, ayaresabea no bɛma wo aduruyɛ atade soronko bi a wobɛhyɛ.
Nea ɛho hia sen biara: Hwɛ dade afã horow a ɛwɔ wo nipadua mu no yiye
Sɛ wowɔ nnuruyɛ mfiri biara a wɔde ahyɛ wo nipadua mu anaa akyi daa a, akyinnye biara nni ho sɛ ɛsɛ sɛ woka ho asɛm kyerɛ wo duruyɛfo ansa na woayɛ nhwehwɛmu no. Mfiri bi wɔ dade na ebetumi asiw magnetic field no kwan, enti ebia worentumi nyɛ sɔhwɛ yi.
Sɛ wowɔ nea edidi so yi mu biara wɔ wo nipadua mu a, mma wo werɛ mmfi sɛ wobɛka ho asɛm akyerɛ wo duruyɛfo.
| Nnwinnade ne tebea horow a ɛsɛ sɛ wohu |
|---|
| - a wode akoma a woahyehye no |
| - Pacemakers anaase Koma mu defibrillators |
| - a wode boa aso (Cochlear implants) . |
| - a wode dade sẽ ayɛ |
| - a wode dade pin, screw, mprɛte, stent, anaa staples a wɔde si nipadua no mu wɔ oprehyɛn akyi |
| - a wode aduru a wode gu mu no hyɛn gyinabea ahorow |
| - dade coils bi a wode di dwuma ma amemene mu ntini mu ntini |
| - a woahyehye no anaase dade a wode afra nkwaa |
Dɛn na ɛba bere a wɔreyɛ sɔhwɛ no?
Ɔkwan a wɔfa so yɛ MEG sɔhwɛ no betumi ayɛ soronko kakra a egyina nea enti a wɔyɛ no so, nanso ɛtaa kɔ biribi te sɛ eyi.
1. Ahosiesie: Wubeyi dade nneɛma nyinaa afi wo nipadua mu na woahyɛ ayaresabea atade no.
2. Wɔ mmofra nkumaa fam: Wɔ mmofra nkumaa fam no, ebia ɛho behia sɛ wɔde nnuru a ɛma obi dwo anaasɛ wɔde nnuru a ɛma obi dwensɔ ma, efisɛ ebetumi ayɛ den ama wɔn sɛ wɔbɛtra hɔ dinn bere a wɔreyɛ nhwehwɛmu no.
3. Beae a Wobɛfa: Sua baabi pɔtee a wo ti no wɔ bere a wode toto dade kyɛw no ho, na fa bere tiaa mu teyp a wɔde si baabi a ɛwɔ no nketewa abiɛsa anaa anan gu mmeae abiɛsa anaa anan wɔ wo ti so.
4. Magnetic signals a woyi fi hɔ: Afei, wɔde afiri kurukuruwa bi a wɔfrɛ no "degausser" twa wo nipadua ho hyia de yi magnetic signals a wompɛ a ebia aboaboa ano wɔ wo nipadua no mu no fi hɔ.
5. Tena ase ma sɔhwɛ no: Afei wɔbɛma woatra nkongua soronko bi a wɔde abɔ MEG afiri no ho so, anaasɛ wɔbɛma woada mpa so.
6. Dade kyɛw a wɔde hyɛ:Afei, wɔde dade kyɛw a MEG sensor ahorow no wom no ato wo ti so. Eyi ma asiane a ɛwɔ hɔ sɛ obi benya claustrophobia no so tew. Sɛ wopɛ sɛ wunya nea eye sen biara a, ma wo ti bɛn dade kyɛw no sɛnea wubetumi.
7. Wɔ sɔhwɛ no mu: Ɛtɔ da bi a wɔbɛka akyerɛ wo sɛ tena ase dinn, na ebia wobɛda mpo. Wɔ amemene mu nhwehwɛmu mu no, wɔbɛka akyerɛ wo sɛ kenkan nsɛmfua wɔ screen so, bua nsɛmmisa, anaa yɛ nnwuma nketenkete te sɛ bɔtn bi a wobɛmia. Ɛtɔ mmere bi a, wobetumi ama wo nsateaa no anyinam ahoɔden nkannyan ketewaa bi de asusuw sɛnea w’amemene no yɛ n’ade. Ebia eyi te sɛ nea ɛyɛ yaw kakra, nanso ɛnyɛ yaw.
8. Nkitahodi: Sɔhwɛ dan no wɔ intercom ne video nhyehyɛe, enti wubetumi ne sɔhwɛ ho nimdefo no akasa bere biara.
Sɔhwɛ yi nyinaa gye bɛyɛ dɔnhwerew biako anaa abien.
Dɛn na ɛba wɔ sɔhwɛ no akyi?
Sɛ wɔmaa wo anaa wo ba no nnuru a ɛma obi dwo a, nnuruyɛfo no bɛhwɛ wo bɛyɛ dɔnhwerew fã kosi nnɔnhwerew abien. Wubehia obi a ɔbɛboa wo ma woakɔ fie.
Sɛ wɔamfa aduru a ɛma wo ho dwo wo a, ɔhaw biara nni ho. Wubetumi akɔ so ayɛ wo dwumadi ahorow a wotaa yɛ no bere a sɔhwɛ no aba awiei ara pɛ.
Asiane biara nni hɔ a wonim a ɛbata MEG sɔhwɛ no ho. Ɛyɛ sɔhwɛ a ahobammɔ wom yiye.
Nsonsonoe bɛn na ɛwɔ MEG, MRI ne EEG ntam?
Ɛwom sɛ wɔyɛ nhwehwɛmu abiɛsa yi nyinaa wɔ amemene no so de, nanso ɛsono nsɛm a wɔsusuw na wɔde ma yɛn.
| Sɔhwɛ | Dɛn na wɔsusuw? | Ade titiriw a ɛwɔ mu |
|---|---|---|
| MEG | Magnetic fields a anyinam ahoɔden dwumadi a ɛwɔ amemene no mu na ɛde ba. | Wɔde beae pɔtee ne bere a amemene no yɛ adwuma no kyerɛ pɛpɛɛpɛ. Nsɛnkyerɛnne biara nni hɔ a wɔkyinkyim mfi ti nhwi no mu. |
| MRI (Magnetic Resonance Imaging) . | Amemene no nhyehyɛe ne ntini ahorow . | Ɛma yehu sɛnea amemene no te, n’afã horow, akisikuru, ne nea ɛkeka ho ho mfonini a emu da hɔ Ɛnsusuw dwumadi. |
| EEG (Electroencephalogram) . | Amemene no mu anyinam ahoɔden dwumadi . | Electrical signals betumi akyinkyim kakra bere a ɛfa ti nhwi ne ntini afoforo mu no, na ɛnyɛ pɛpɛɛpɛ te sɛ MEG. |
Ɛtɔ mmere bi a nnuruyɛfo de nsɛm a efi MEG ne MRI nhwehwɛmu nyinaa mu bom yɛ amemene no dwumadi ho asase mfonini a ɛyɛ adwuma. Wɔfrɛ eyi sɛ MSI (Magnetic Source Imaging).
Nkrasɛm a Wɔde Kɔ Fie
- MEG yɛ sɔhwɛ a ɛnyɛ yaw, ɛnyɛ radioactive, na ahobammɔ wom yiye a ɛkyerɛ amemene no dwumadi ho mfonini.
- Wɔde eyi di dwuma titiriw de kyerɛ beae pɔtee a akisikuru no wɔ na wɔyɛ amemene no oprehyɛn ho nhyehyɛe .
- Ɛho hia sɛ wobɔ oduruyɛfo no amanneɛ wɔ dade mfiri biara a wɔde ahyɛ wo nipadua mu ho ansa na woayɛ nhwehwɛmu no.
- MEG sɔhwɛ tumi hu baabi a amemene no dwumadi yɛ pɛpɛɛpɛ sen EEG.
- Sɛ wo duruyɛfo kamfo nhwehwɛmu yi kyerɛ a, nsuro sɛ wubebisa wo duruyɛfo nsɛm biara a wowɔ.
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