Lɛ wi lan bɔt di wɔndaful pat na di bren we de ɛp yu fɔ si: di Occipital Lobe.

Yu dɔn ɛva wɔnda aw yu de si di fayn fayn tin dɛn na di wɔl, aw yu de no di kɔlɔ dɛn, ɛn aw yu de mɛmba yu padi ɛn fambul dɛn fes? Wan pat de na wi bren we rili wɔndaful ɛn we rili impɔtant we de mek ɔl dis. Na dat wi kin kɔl di Ɔksipital Lɔb . So, tide wi go tɔk bɔt dis fayn fayn ‘vishɔn sɛnta’ smɔl mɔ .

Wetin na di Ɔksipital Lɔb? Usay i de?

Fɔ tɔk am simpul wan, di ɔksipital lɔb na wan pan di 4 men pat dɛn na yu bren. I de na di bak pat na yu ed , jɔs ɔp di smɔl wan dɛn we de biɛn yu ed. na di sכmכl lob we yu kכmpεr wit di כda lob dεm na wi bren. Bɔt pan ɔl we i smɔl, di wok we i de du rili big. Yu bin no? כltin we yu si wit yu yay, dat na כl di infכmeshכn we yu de si, na dis כksipital lכb de proכses, כndastand, εn analכz am. If wi yay bin tan lɛk kamɛra, dis na di lab we de prosɛs di pikchɔ dɛn we da kamɛra de tek.

dis כksipital lכb, lεk כda pat dεm na di bren, dεn sheb am to tu haf, wan lεft εn wan rayt. Wan smɔl kanal de na di midul pan di tu.

Wetin na di men wok dεm we di כksipital lכb de du?

di men εn כnli wok we di כksipital lכb de du na fכ proכses infכmeshכn we wi de si . Dat min se fɔ mek sɛns to wetin wi de si wit wi yay. Dis na sɔntin we kin mek pɔsin nɔ izi fɔ du. Lɛ wi si aw dis kin apin.

aw di infכmeshכn de kכmכt frכm di yay dεm to di כksipital lכb

Tink bɔt am dis we: di pupil na yu yay tan lɛk winda. Dis winda na di say we layt we kɔmɔt na do kin kam insay di yay. Insay di yay, na di bak, na wan layt we rili kɔmpleks we gɛt sɛl dɛn we dɛn kɔl di retina . di imej dεm we yu si de kכnvכlt to wan vεri ditayl kכd mεsej bay di sεl dεm na di rεtina.

Dɛn mɛsej ya we dɛn kɔd kin travul along yu optik nɛv dɛn to yu bren. Dɔn dɛn kin travul go fa fawe along di optik trakt dɛn we de insay yu bren. we dεn de go, dεn signal dεm ya de pas tru כda imכtant pat dεm na di bren lεk di thalamus , εn dεn kin rich na di כksipital lכb.

we dεn signal ya rich di כksipital lכb, di rial wok de bigin. Dat min se fɔ dikɔd dɛn kɔd ya we di yay de sɛn ɛn chenj da infɔmeshɔn de to sɔntin we di ɔda pat na di bren kin yuz ɛn ɔndastand.

dis prכsεs de apin fכs na tu spεsifi k εria dεm na di כksipital lכb: di praymar vishכnal kכtεks εn di sεkכnd vishכnal kכtεks . Di "kɔtɛks" ɔ "kɔtɛks".Di wɔd kɔmɔt frɔm wan Latin wɔd we min "bark of a tree." I de tɔk bɔt di ɔda pat na wi bren we gɛt wrinkled. so, dis vishכnal kכtεks na di pat pan di kכtεks we de proכses signal dεm we riliyt to vishכn.

di abiliti dεm we wi kin gεt frכm di כksipital lכb

ivin if wi se "vishכn," bכku כda difrεn prכsεs εn abiliti dεm de insay am. di oksipital lכb de εp wit כl dis. Na sɔm ɛgzampul dɛn ya:

• Spatial processing: Dis na di tin we de dikɔd signal frɔm yu retina ɛn ɛp yu fɔ si di shep, tɛkstɔr, ɛn ɔda ditil dɛm fɔ di tin dɛm we de rawnd yu.
• Kɔlɔ prɔsesin: Dis na wetin de ɛp yu fɔ si kɔlɔ ɛn difrɛns bitwin wan wan kɔlɔ dɛn ɛn dɛn difrɛn shed dɛn. Sɔm pipul dɛn nɔ kin ebul fɔ si sɔm kɔlɔ dɛn, we min se sɔm wikɛd tin dɛn kin de pan dis prɔses, lɛk pan tin dɛn lɛk we kɔlɔ blaynd .
• Distans ɛn dip we yu de si: Dis abiliti de mek yu bren ebul fɔ kɔl di sayz fɔ di tin dɛn we yu de si ɛn aw fa dɛn de frɔm yu.
• Fɔ no tin ɛn fes: Dis abiliti de ɛp yu fɔ no tin dɛn we yu dɔn si bifo, mɔ di fes fɔ pipul dɛn we yu dɔn mit.

aw di oksipital lכb de εp כda כgan dεm εn sistεm dεm?

Na yu yay de no wetin yu de si rawnd yu ɛn sɛn da infɔmeshɔn de as signal to yu bren. bכt na di כksipital lכb we de tek dεn signal dεm, de proכses dεm, εn wok wit כda pat dεm na di bren fכ mek sεns fכ wetin yu de si.

Wan gud ɛgzampul fɔ dis na fɔ rid . We yu rid buk ɔ nyuspepa, di ɔksipital lob kin no fɔs di lɛta ɛn wɔd dɛn we de insay. Dɔn, dɛn kin jɔyn dɛn shep ɛn simbul dɛn de we dɛn no wit di tɛmporal lob na di bren fɔ ɔndastand di langwej we dɛn rayt ɛn ɔndastand wetin de insay. Yu nɔ tink se na fayn fayn wok we dɛn de du togɛda?

Wetin dɛn mek di ɔksipital lɔb wit?

di oksipital lכb na di sem kayn sεl dεm we de mek כl di כda pat dεm na di bren. Tu men kayn sɛl dɛn de:

• Nyuron dεm: dis na di sεl dεm na di bren εn di nεv sεstem we kin sεnd signal to כda nyuron dεm, כ rεsכp signal εn sεnd dεm כda say. dis signal dεm de travul insay nyuron dεm as ilektrikal impuls dεm. Nyurɔn kin chenj dɛn ilɛktrik signal ya to kemikal ɛn pul dɛn kɔmɔt na di nyuron. Di nɛks nyuron de no dɛn kemikal dɛn de ɛn mek ɔda ilɛktrik impuls. dis na aw mεsej dεm de travul kwik kwik wan insay εn bitwin nyuron dεm.
• Di glial sɛl dɛn: .dis na di sεl dεm we de sכpכt di nεv sεstem. Dɛn nɔ de manej signal dɛn. Bifo dat, dɛn de mek di nyuron dɛn kɔntinyu fɔ de, pul di dɔti, gi di tin dɛn we de mek di bɔdi fayn, ɛn gi sɔpɔt di strɔkchɔ.

aw di occipital lobe de wok pan blaynd pipul dεm?

Dis na kwɛstyɔn bak we rili impɔtant. Ivin pan blaynd pɔsin, di ɔksipital lɔb stil de wok. Bɔt da wok de dipen pan if dɛn bɔn di pɔsin blaynd, i bin blaynd we i bin smɔl, ɔ i bin blaynd leta.

di oksipital lobe de wok pan pipul dεm we bin blaynd frכm we dεn bכn dεm כ we dεn bin sכm pikin

di oksipital lobe fכ pipul dεm we bin blaynd frכm we dεn bכn dεm כ we dεn bin rili ali na layf stil de rili aktif. Bɔt da tin de kin apin we dɛn de yuz dɛn ɔda sɛns dɛn. Dat min se we dɛn de smɛl, yɛri, tɔch. Dɔn bak, we blaynd pɔsin de tɔk ɔ lisin to wetin ɔda pipul dɛn de tɔk, in ɔksipital lɔb kin wok mɔ.

dis we aw dεn kin riprogram di כksipital lכb fכ du difrεn wok we dεn kכl nyuroplastisiti . Dat min se di bren ebul fɔ ajɔst to tin dɛn ɔ tin dɛn we nɔ kɔmɔn. Yu nɔ tink se i wɔndaful?

di oksipital lobe de wok pan pipul dεm we de blaynd leta na layf

pan pipul dεm we blaynd leta na layf bikoz fכ tin dεm we de kכmכt frכm di yay, di vishכnal kכtεks we bin de proכses di infכmeshכn we dεn de si, stil de rεspכnd sכmtεm to infכmeshכn frכm כda sεns dεm, pan כl we naw i de gεt sכm (כ nכ) visual input.

Tu men we dεm we dis kin apun na tru di sens dεm fכ yεri εn tכch. Fɔ tɔk am simpul wan, yu bren de dayrɛkt di tin dɛn we i ebul fɔ si to di ɔda sɛns dɛn. Dis kin mek pɔsin "si" sɔntin bay we i tɔch am, ɔ fɔ mek in maynd pikchɔ bɔt di tin dɛn we de arawnd am bay wetin i yɛri.

Wetin na di kכmכn sik dεm εn kכndishכn dεm we de afekt di כksipital lכb?

εni kכndyushכn we kin afekt yu bren tisu kin afekt di כksipital lכb bak. Na sɔm ɛgzampul dɛn ya:

• Alis in Wɔndaland sindrom
• Sɔm kayn Alzaima sik wae nɔr kin kɔmɔn , fɔ ɛgzampul , posita kɔtikal atrofi
• Bren lɛsin (i kin kam bikɔs ɔf sik ɔr damej frɔm ɔpreshɔn/mɛdikal tritmɛnt) .
• Bren tumor (inklud kansa) .
• Pɔyzin we dɛn kɔl kabon monoksayd
• Injury na ed, mɔ di kɔnkyushɔn ɛn traumatik bren injuri
• Hevi mɛtal pɔyzin ɔ ɔda pɔyzin
• Infεkshכn (especially infεkshכn dεm we de mek yu gεt εnεfalaytis ) .
• Lewy bɔdi dimɛnshɔn
• Maygren we kin kam
• Posita rivεrsibl εnεsεfalopati sεndrכm (PRES) .
• Kɔndishɔn dɛm wae gɛt fɔ du wit sik wae de mɛk pɔrsin fil lɛk epilepsy
• Strok
• Visual agnosias (dεn kin kכl dis כl tu di simptom εn wan kכndyushכn) .

Wetin na di kɔmɔn sayn ɔr simptom dɛm fɔ ɔksipital lɔb prɔblɛm?

biכs di mεn wok we di כksipital lכb de du de riliyt to di vishכn, di simptom dεm fכ di kכndishכn dεm we de afekt am kכlכsכl כl de riliyt to di vishכn. Na sɔm pan di sayn dɛm wae de sho se yu gɛt dis sik:

• Lɔs fɔ si (pat pat ɔ kɔmplit) .
• Visual anosognosia ɔ Anton sindrom
• Di agnosias we pɔsin kin si
• Visual illusions (e.g., distorshכn dεm we de akɔmpan aura di tεm we di maygrεn de) .
• Di tin dɛn we pɔsin kin si we i de si

I nɔ de si fayn igen

If di ɔksipital lɔb dɔn pwɛl, yu kin lɔs pat ɔ ɔl di say we yu de si. Dis kin afɛkt jɔs wan yay ɔ ɔl tu di yay dɛn. If yu nɔ de si fayn ɛn i de afɛkt ɔl tu yu yay dɛn, dɛn kin kɔl am kɔtikal blayndnɛs . If yu gɛt dis sik, yu yay de wok fayn, bɔt yu bren nɔ kin ebul fɔ prosɛs di nerve signal dɛm we gɛt fɔ du wit di we aw yu de si, ɛn dis kin mek yu blaynd.

Visual anosognosia ɔ Anton sindrom

We di bren dɔn pwɛl, di we aw di bren kin ebul fɔ wach insɛf kin ambɔg. Dis kin mek yu nɔr ebul fɔ no di sayn dɛm ɔr ɔda sayn dɛm wae de sho se yu gɛt prɔblɛm. De mכst kכmכn fכm fכ visual anosognosia na we blaynd pכsin dinay se dεn gεt vishכn prכblεm. Wan ɔda kayn sik wae nɔr kin bɔrku fɔ gɛt Anton syndrome na wae pɔrsin tink se i blaynd bɔt i de sho sayn dɛm wae de sho se in yay stil de woke (at least subconsciously).

Di agnosias we pɔsin kin si

Dis na kɔndishɔn wae yu bren nɔr kin ebul fɔ prosɛs wetin yu si fayn fayn wan. I tan lɛk se yu de tray fɔ opin fayl na yu kɔmpyuta, bɔt yu nɔ gɛt di rayt program. Di kɔmpyuta nɔ ebul fɔ opin di fayl bikɔs i nɔ no aw fɔ yuz am. Na so visual agnosia tan lɛk. Yu bren nɔ ebul fɔ ɔndastand ɛn prosɛs wetin yu yay de si. Bɔt sɔmtɛm ɔda sɛns kin ɛp ɛn woke arawnd dis.

Sɔm ɛgzampul dɛn:

• Object agnosia: Insay dis, dɛn kin si sɔntin, bɔt di pɔsin nɔ kin ebul fɔ no am. כltu, dεn kin ebul fכ no am bay sawnd (e.g., dεn nכ kin no am bay we dεn si am, bכt dεn kin no am bay in ‘meow’ sawnd) כ bay we dεn tכch (e.g., wan ki kin nכ no bay we dεn si, bכt dεn kin no am bay we dεn tכch am εn shep).
• Kɔlɔ agnosia: Dis kin apin tu we dɛn. Wan na dat yu nɔ ebul fɔ prosɛs di kɔlɔ dɛn we yu de si. Dis kin mek di kɔlɔ dɛn kin dɔl ɔ i kin tan lɛk grey ( achromatopsia ). Di ɔda men kayn na dat yu nɔ ebul fɔ kɔmpia kɔlɔ dɛn wit dɛn nem. Yu kin si di kɔlɔ dɛn, bɔt yu bren nɔ kin ebul fɔ gi dɛn nem ɔ no dɛn we yu yɛri dɛn. Kɔlɔ agnosia difrɛn frɔm kɔlɔ blayndnɛs, we na sik na di yay.
• Visual simultanagnosia: Dis na we yu kin si wan wan tin bɔt yu nɔ kin ɔndastand aw dɛn kɔnɛkt to dɛnsɛf. Fɔ ɛgzampul, yu nɔ go ebul fɔ ɔndastand se bɔku tik dɛn de togɛda, pan ɔl we i tan lɛk se na fɔrɛst.

Ilushɔn dɛn we pɔsin kin si

Dis na tin dɛn we de chenj ɔ chenj na yu vishɔn. Dɛn kin apin we yu bren nɔ de prosɛs di signal dɛn we de kɔmɔt na yu yay fayn fayn wan. Dis kin afɛkt dɛn tin ya we yu de si:

• Sayz: Tin dɛn kin tan lɛk se dɛn big ɔ smɔl pas aw dɛn tan.
• Shep: Tin dɛn kin tan lɛk se dɛn dɔn chenj (tink bɔt aw yu pikchɔ de luk pan say we nɔ ivin, miro we gɛt rip, ɔ di say we wata de muv).
• Muvmɛnt: I kin tan lɛk se sɔntin de muv pan ɔl we i rili de muv, ɔ sɔntin we de muv kin tan lɛk se i nɔ de muv.

Di tin dɛn we pɔsin kin si we i de si

כnda nכmal tin dεm, di we aw pכsin de si kin apin biכs di bren de proכses signal dεm frכm di yay. we dεn signal dεm de rich na di כksipital lכb, di nyuron dεm na da εria de kin sεnd signal to כda pat dεm na di bren. di vishכnal hallucinations na we di nyuron dεm na di כksipital lכb de akt lεk se dεn de gεt signal frכm di yay dεm, bכt in rialiti dεn de wok fכ dεn wan, we nכ gεt dεn kayn signal dεm ya. Dat min se, i tan lɛk se dɛn de si tin dɛn we nɔ de.

Us tεst dεm de fכ chεk di hεlth fכ di כksipital lכb?

Dɔktɔ dɛn gɛt difrɛn we fɔ chɛk di wɛlbɔdi na yu ɔksipital lɔb. Dɛn tin ya na tɛst fɔ no if pɔsin gɛt sik, tɛst na lab, ɛn skan. Na sɔm ɛgzampul dɛn ya:

• Blɔd tɛst (dɛn kin no ɔltin frɔm prɔblɛm wit di imyun sistɛm to pɔyzin ɛn pɔyzin, mɔ di mɛtal dɛn lɛk kɔpa, mɛkuri, ɛn lid).
• Kɔmpyuta tomografi (CT) skan
• Ilɛktroɛnsɛfalɔgram (EEG) .
• Ilɛktromayogram (EMG) (Ilektromayogram (tɛst fɔ kɔndɔkt di nɛv) ) .
• Evoked potentials ( sεns tεst dεm) .
• Magnɛtik rɛsɔnans imej (MRI) .
• Nyurosaykolojik tɛst
• Pozitron emishɔn tomografi (PET) skan

Wetin na di kɔmɔn tritmɛnt fɔ di kɔndishɔn dɛn we de afɛkt di ɔksipital lɔb?

Bɔku tin dɛn de we kin afɛkt yu bren, ɛn di tritmɛnt fɔ dɛn sik dɛn de kin difrɛn bad bad wan. Tritmɛnt wae de woke fɔ wan sik nɔr kin woke fɔ ɔda wan, ɔr kin ivin mek ɔda wan wɔs. So, dɔktɔ na di bɛst pɔsin fɔ gi yu infɔmeshɔn bɔt di tritmɛnt dɛn we yu kin gɛt fɔ ɛni sik na yu bren. Dɛn go tink bɔt yu mɛdikal istri, di sik we yu gɛt naw, wetin yu lɛk, ɛn ɔda tin dɛn fɔ gi yu ansa dɛn we fit yu sityueshɔn.

Wetin a kin du fɔ mek mi ɔksipital lobe gɛt wɛlbɔdi?

Bɔrku tin de wae yu kin du fɔ mek yu ɔl bren, inklud yu ɔksipital lobe, gɛt gud wɛl bɔdi. Sɔm tin dɛn we kin apin na di bren kin avɔyd. Ɔda wan dɛn nɔ kin ebul fɔ avɔyd, bɔt yu kin ridyus yu risk fɔ gɛt dɛn. Na sɔm pan di impɔtant tin dɛn we yu go du:

• It fayn it: If yu gɛt bɔku ɔ smɔl vaytamɛn D, dat kin mek yu bren gɛt prɔblɛm, ivin di ɔksipital lɔb. di it dεm we yu de it de afekt di hεlth fכ yu sεkyulatri sistεm bak, we implεnt fכ di bren fכ wok fayn fayn wan (paralysis na εgzampl fכ wan kכndyushכn we kin apin we di sik dεm we di sεkyulatri sistεm sik de afekt di bren).
• Stay fɔ du tin wit yu bɔdi ɛn kip yu wet fayn: Yu wet ɛn di lɛvɛl we yu de du tin kin ɛp fɔ mek yu nɔ gɛt ɔ delay di tin dɛn we de afɛkt di bren, mɔ di prɔblɛm dɛn we de wit yu blɔd prɛshɔn lɛk ay blɔd prɛshɔn. Yu famili dɔktɔ kin tɛl yu wetin na yu bɛst wet ɛn wetin yu kin du fɔ ɛp fɔ mek i kɔntinyu fɔ gɛt am. Fɔ du bɔdi wok fayn bak fɔ yu bren. I nɔ jɔs de mek di blɔd go fayn, bɔt i de mek bak di fayn fayn kemikal dɛn we dɛn kɔl nyurotransmitta dɛn we dɛn kin mek na di bren.
• Wear protɛktiv gia we nid de: Ɛd injuri, mɔ kɔnkyushɔn ɛn traumatik bren injuri, kin rili denja to yu ɔksipital lɔb. Dis na bikɔs dis pat pan di bren de na di bak pat pan di ed, we de mek i izi fɔ mek i wund. We yu wɛr ɛlmɛt, sef hans (lɛk sit bɛlt), ɛn ɔda tin dɛn we yu kin yuz fɔ protɛkt yusɛf kin ɛp fɔ mek yu nɔ gɛt prɔblɛm wit di ɔksipital lɔb.
• Manej yu krɛse sik: Bɔrku tin wae kin afɛkt yu bren kin wɔs as tɛm de go. Bɔt, fɔ trit dɛn kayn tin ya, sɔmtɛm kin stɔp dɛn ɔr kin slo fɔ go bifo. Sɔm ɛgzampul dɛn fɔ dɛn kayn tin ya na tayp 2 dayabitis ɛn ɛpilepshi.

Mɛmba se di ɔksipital lɔb na di smɔl pat na wi bren, bɔt na di men ɔgan we de ɛp wi fɔ si ɛn ɛkspiriɛns di wɔl. So i rili impɔtant fɔ tek kia ɔf am!

Fɔ dɔn, tin dɛn fɔ mɛmba (Take-Home Message) .

di oksipital lobe kin bi di sכmכl lob na yu bren, bכt na di pat we wi כl de dip pan bכku tεm. dis pat pan di bren we de na di bak pat na di ed, de prosɛs di signal dɛn we de kɔmɔt na yu yay. Pan ɔl we bɔku sik ɛn kɔndishɔn dɛn kin afɛkt am, sayɛns ɛn mɛrɛsin ɔndastandin bɔt dis bren rijyɔn gɛt prɔmis fɔ no ɛn trit bɔku pan dɛn prɔblɛm ya.

di oksipital lכb de kכnekt bak to bכku כda pat dεm na di bren, inklud fכ si εn plεnti כda abiliti dεm. Na impɔtant pat pan yu ebul fɔ no ɛn ɔndastand di wɔl we de arawnd yu. I de ɛp yu bak fɔ mek yu mɛmba tin dɛn bay we i de sɛn infɔmeshɔn bɔt yu ɛkspiriɛns to difrɛn pat dɛn na yu bren. So, pan ɔl we di ɔksipital lob de na di bak pat pan ɔlman in ed (ɔl tu di tru ɛn fכs), dis pat pan di bren na wan pan di impɔtant tin dεm we de ɛp yu ɛvride layf. So, na yu wok fɔ kia fɔ dis smɔl hiro gud gud wan.

` Oksipital Lob, Bren, Vishɔn, Rɛtina, Visual Kɔtɛks, Nyurɔlɔji