Ukukhohlisa okubonakalayo kukuphazamisa ukunyakaza, ifom, ubukhulu okanye umbala kwintsi ebonakalayo. Iingcamango ezibonakalayo zingaba ngumphumo wesibalo kwi-lobe yama-occipital, efumaneka ngasemva kwe-cortex ye-cerebral kwaye iyona ndawo ebalulekileyo yokuqwalasela.
Isisu sisenokubangela ukuba i-clot ivimbele ukugeleza kwegazi kwingqondo (ebizwa ngokuba yi-ischemic stroke) okanye ngesitya segazi esithintelayo kunye nokukhusela ukuphuma kwegazi kwingqondo (ebizwa ngokuba yi-stroke ephazamisayo).
Ukuhlaselwa kwe-ischemic ezayo , okanye "ukubetha kweminye," kubangelwa i-clot yesikhashana.
Iimiphumo zesisu
Ukuba ukuqhuma kwenzeka kwaye ukuhamba kwegazi akukwazi ukufikelela kwindawo elawula umsebenzi othile, loo nxalenye yomzimba eyeka ukusebenza ngendlela efanele. Ukuba uhlaselo lwenzeka kumqolo wengqondo, umzekelo, mhlawumbi ukuba omnye umgangatho wombono uya kuphazamiseka.
Imiphumo yesigxina ixhomekeka kwiimeko eziliqela, kubandakanywa indawo yokucinywa kunye nokuba ubuninzi beengcambu zengqondo zichaphazeleka njani. Nangona kunjalo, kuba elinye icala lobuchopho lilawula uhlangothi oluphambene nomzimba, uhlangothi oluchaphazela kwelinye icala luya kuba neengxaki ze-neurological kwicala lomzimba elichaphazelayo. Ngokomzekelo, ukuba uhlangothi olusekhohlo luya kwicala lokunene, icala langasobunxele lomzimba (kunye nekhohlo lesobunxele lobuso) liya kuphazamiseka, okungavelisa nayiphi na okanye zonke ezi zilandelayo:
- Ukukhubazeka kwicala lasekhohlo lomzimba
- Iingxaki zembono zibandakanya imilingo ebonakalayo
- Ngokukhawuleza, indlela yokuziphatha yokubuza
- Ukulahleka kwememori
Ukuba uhlangothi olusekhohlo luvela kwicala lasekhohlo lobuchopho, icala elifanelekileyo lomzimba liya kuphazamiseka, ukuvelisa ezinye okanye zonke ezi zilandelayo:
- Ukukhubazeka ngakwesokudla komzimba
- Iingxaki / iintetho zeelwimi
- I-slow, isitayela sokuziphatha esilumkileyo
- Ukulahleka kwememori
Xa kuphazamiseka kwintsholongwane ebuchosheni, kuxhomekeke kubukhulu bokulimala, kunokuchaphazela emacaleni omabini omzimba kwaye unokushiya umntu "kwindawo engenaye".
Xa iimeko ezingenayo zivela, isigulane asikwazi ukuthetha okanye ukufezekisa nayiphi na intshukumo engaphantsi kwentamo.
Iintlobo ze-Visual Illusions
Imizekelo yezinto ezibonakalayo ezibonakalayo ziquka xa umntu ebona izinto ezimbini okanye ngaphezulu phambi kwazo xa kukho enye kuphela; xa yonke into ibonakala ingumbala ofanayo lonke ixesha; okanye xa abantu okanye izinto zibonakala zikhulu okanye zincinci kunokuba zikhona.
Imithombo:
U-Allan Ropper kunye noRobert Brown, uAdam kunye ne-Victor's Principles of Neurology , i-8th Edition McGraw-Hill Companies Inc., United States of America, 2005, iphepha 417-430.
American Stroke Association.