The occipital lobe ndi dera lomwe lili kumbuyo kwa ubongo lomwe limathandiza kwambiri kuphatikiza masomphenya athu, kutilola kuzindikira ndi kuzindikira zomwe maso athu akuwona.
Sitiroko ya occipital lobe ikugwirizana kwambiri ndi kusintha kwa masomphenya. Magazi operekedwa ku occipital lobe amachititsa kuti zikhale zosiyana kwambiri ndi zochitika zapachilengedwe:
- Mosiyana ndi zikwapu zambiri zomwe nthawi zonse zimakhudza mbali imodzi yokha ya ubongo, kupwetekedwa kwa mpweya kumatha kukhudza lobi imodzi kapena onse awiri.
- Kawirikawiri, zilonda za occipital zosavuta zimakhala zosayerekezeka ndi zikwapu zomwe zimakhudza ziwalo zina za ubongo (kutsogolo, parietal ndi nyengo.)
Zotsatira za Stroke ya Lobe ya Occipital
Kachilombo ka occipital ka lobe kangapangitse kusintha kwa mitundu yosiyanasiyana, kuphatikizapo kutayika kwa masomphenya, kupunduka kwathunthu ndi maonekedwe, komanso ma syndromes osiyana. The occipital lobe si yunifolomu, ndipo zigawo za occipital lobe zimagwira ntchito zosiyana pakuphatikiza masomphenya. Mavuto osiyanasiyana owonetsa omwe angayambitse matenda a occipital lobe akudalira kuti dera lomwe lili mkati mwa occipital lobe limakhudzidwa.
Zosintha Zowonekera Pambuyo Pambuyo la Lobe Stroke
- Homonomous Hemianopia- Sitiroko Yogwira Ntchito Yonse ya Occipital Lobe M'modzi
Pamene sitiroko imakhudza kwambiri lop occital pa mbali imodzi ya ubongo, mavuto omwe amawoneka amatchedwa kuti Hemeniopia . Izi zikutanthawuza kutayika kwa theka la masomphenya kuchokera pa diso lirilonse.
Wopulumuka pachilonda amene amadziwika kuti hemianopia sangathe kuwona zinthu zomwe zili pambali ya stroke.
Kachilombo kamene kamakhala pamtundu wa kumapeto kwa ubongo wa ubongo kungachititse munthu wopulumuka kudwala kuti avutike kuona zinthu kumbali yoyenera. Vutoli limakhudza maso onse-kutanthauza kuti munthu sangathe kuwona mbali yoyenera kuchokera ku diso lakumanja komanso sangathe kuwona mbali yoyenera kumanzere.
Kawirikawiri, chidziwitso chodziwika kuti munthu alibe chikhalidwe chosiyana kwambiri, sichikuphatikizidwa mofanana ndi stroke.
- Chiwonetsero Choyipa Chakumtunda Chokhudza Mphuno ya Occipital
Pulogalamu ya occipital ndi malo a ubongo komwe masomphenya a pakati amayendetsedwa. Masomphenya apakati akufotokoza zomwe mukuwona pakati pa malo anu owonetsera pamene mukuyang'ana patsogolo. Choncho, kupwetekedwa kokhala ndi phokoso la occipital kungakupangitseni kuti mukhale ndi khungu lalikulu pakati pa masomphenya anu pambali yokhudzidwa.
Munthu amene ali ndi vuto lalikulu la masomphenya lopweteka chifukwa cha kupweteka kwa pulogalamu ya occipital sangathe kuona nkhope ya munthu akuyima pafupi naye. Mwachitsanzo, wopulumuka wa stoke sangawone mphuno ya munthuyo, mkamwa wapamwamba, ndi theka la diso kumbali yomwe yakhudzidwa, koma akadatha kuona paphewa la munthuyo komanso pamwamba pamutu.
Mipikisano ya Occipital ndizochepa.
- Khungu la Cortical- Mliri Wokhudza Zolemba za Occipital Zonse
Pamene lopupital lobes ya ubongo imakhudzidwa kwambiri ndi kupwetekedwa, zotsatira zake ndizozizwitsa zomwe zimatchedwa "khungu la khungu." Izi zikufanana ndi zomwe tonse timamvetsa ndi mawu akuti "khungu," koma mawuwa amagwiritsidwa ntchito pamene kuwonongeka kwa chigoba cha ubongo ndicho chifukwa cha khungu.
Pali zizindikiro zambiri za khungu lamakono kuphatikizapo kutayika kwa masomphenya. Ena opulumuka ku stroke amadziwa kuti sangathe kuwona, pamene opulumuka ena akudwala sakudziwa za khungu ndi maonekedwe owonetsera. Mankhwala otchulidwa bwino kwambiri omwe amadziwika ndi khungu lamakono komanso maonekedwe owonetserako amachitcha kuti Anton syndrome ndi Balint syndrome.
Omwe amapulumuka pachilombo cha occipital akuvutika ndi matenda otchedwa visual anosognosia, omwe amanyalanyaza mbali imodzi ya masomphenya.
- Zizindikiro Zina Zowonjezereka / Syndromes Zogwirizana ndi Stroke ya Occipital
- Visual Illusions
- Zizindikiro Zooneka
- Masomphenya Achiwonetsero
- Prosopagnosia
- Alexia wopanda Agraphia
Kodi N'chiyani Chimayambitsa Mphepete mwa Lobe ya Occipital?
Mitsempha yomwe imayambira kumbuyo kwa khosi, yotchedwa mitsempha yotchedwa vertebral mitsempha, mitsempha yam'mbuyo yambiri ya mitsempha ndi mitsempha ya basilar, yopereka magazi okosijeni ku lop occital. Ngati chimodzi kapena zonse zochitika za occipital zimasokonezeka chifukwa cha magazi, ndiye zotsatira zake.
Zikopa za Occipital ndizosazolowereka chifukwa magazi operekedwa ku occipital lobe amakonzedwa m'njira yapadera. Mitsempha ya m'mimba, mitsempha ya m'mbuyo ya ubongo ndi mitsempha ya basilar yomwe imapereka magazi kumbuyo kwa ubongo, imagwirizanirana wina ndi mzake m'madera ena, yomwe imathandiza kuti apereke magazi ochulukirapo, nthawi zambiri amakondana. Makonzedwe ameneŵa nthawi zambiri amagwira ntchito kuti ateteze sitiroko m'madera omwe ali kumbuyo kwa ubongo pamene kuyenderera mumsana umodzi kumatsekedwa - chifukwa mitsempha ina imapereka magazi okwanira.
Chifukwa cha makonzedwe a mitsempha omwe amapereka loipital lobe, nthawi zina mphutsi ya occipital lobe imaphatikizidwa ndi kupweteka kwa cerebellar kapena kupweteka kwa ubongo .
Mawu Ochokera
Mliriwu ukhoza kusintha kwambiri masomphenya, kuphatikizapo masomphenya, kusintha masomphenya ndi zochitika zachilendo za masomphenya.
Sikuti masomphenya onse omwe amachititsa kuti masomphenya asinthidwe amayamba chifukwa cha kukwapulika kwa occipital, monga zikwada m'madera ena a ubongo zingayambitsenso masomphenya kusintha . Kusintha kwa masomphenya pambuyo pa kupwetekedwa mtima kungakhudze kwambiri moyo, makamaka pankhani ya kuyendetsa galimoto pambuyo pa kupwetekedwa.
Ngati mumakhala ndi zizindikiro zowonekera, muyenera kupita kuchipatala nthawi yomweyo, momwe masomphenya amasinthira angakhale chizindikiro choyamba cha matenda aakulu, monga stroke.
> Chitsime:
> Kuwonetseratu anthu odwala omwe ali ndi zilonda zam'mimba: Ofufuza omwe amawunika kufufuza, Morenas-Rodríguez E, Camps-Renom P, Pérez-Cordón A, Horta-Barba A, Simón-Talero M, Cortés-Vicente E, Guisado-Alonso D, Vilaplana E, García-Sánchez C, Gironell A, Roig C, Delgado-Mederos R, Martí-Frabregas J, Eur J Neurol. 2017 May; 24 (5): 734-740.