He thuziak hi i chhiar dan te, i chhehvel thil i hmuh dan te, kawngpuiah i thian i hmuh hian i hriat chian dan te i ngaihtuah ngai em? Heng zawng zawng hnung lamah hian i thluak peng te tak te, mahse pawimawh tak, i lu hnung lama awm a awm a. Damdawi lamah chuan hei hi Occipital Lobe tiin kan sawi thin. A awlsam zawngin, hei hi i thluak "video processing unit" a ni. He boss te tak te hian hna lian tak a thawh hi han thlir ila.
He Occipital Lobe hi eng nge ni?
Occipital Lobe hi thluak peng pakhat a ni a, i lu hnung lamah, i luruh chhungah a awm a ni. I lu hnung lama hump ang chi hmun te tak te chungah chiah a awm a ni. Kan thluak peng dangte nena khaikhin chuan hei hi a te ber a ni . Mahse a lian lo hle chung pawhin hna tam tak a thawk a ni. I mit hmanga i hmuh zawng zawng, chu chu hmuh theih signal zawng zawng hi Occipital Lobe hian a process vek a ni.
He part tlemte hi eng nge thleng?
Ngaihtuah teh, hei hi thil mak tak a ni. Hetiang thil hi engtin nge step by step in i lo en ang u.
1. Mit chhungah eng a lut: I mit vel ring dumte chu tukverh ang a ni. I hmaa khawvel atanga êng chu he tukverh atang hian a lut a.
2. Thlalak chu code a lo ni ta: Mit chhungah, a hnung lamah, cell layer complex tak tak a awm a. Retina kan ti a . He retina hian i thlalak hmuh chu a la a, coded message chipchiar tak takah a chantir a ni.
3. Thuchah chu thluak lamah a kal: He thuchah encoded hi i mit nerve kaltlangin thluak thlengin a kal a. Kawng lakah chuan thluak hmun thenkhat thalamus ang chi a paltlang a, a tawpah chuan occipital lobe a thleng ta a ni.
4. Code Deciphering: Occipital Lobe hna ber chu mit atanga heng coded message thawn te hi decipher a, chu information chu thluak hmun dangin an hman theih angin process a ni.
He hna hi occipital lobe-a hmun bik pahnih-ah a thleng ber a ni. Anni hi primary visual cortex leh secondary visual cortex te an ni . Cortex tih thumal hian "thing hnah" tih ang chi a kawk a ni. Thluak chunglam hrual (wrinkled nature) a kawk a ni. Chuvangin he visual cortex hi cerebral cortex chhunga vision nena inzawm signal process tu a ni.
‘Hmuh’ theihna hrang hrangte.
"Vision" tih mai mai ni mah ila, a kalphung leh theihna hrang hrang a awm a ni. Heng zawng zawng hi Occipital Lobe hian a enkawl vek a ni.
| Theihna | A awlsam zawngin... |
|---|---|
| Spatial processing hmanga thil tih dan | Hetiang theihna hian i chhehvela thil awmte pianzia, a texture leh a chipchiar dangte chu a hmu thei a ni. |
| Color processing a ni | Hei hian rawng hriat theihna a siam a, rawng hrang hrang leh an rawng hrang hrangte a thliar hrang thei bawk. |
| Distance leh depth hriatna | He theihna hian thil pakhat i awmna atanga i hlat zawng leh chu thil lian leh te hriatthiamna a pe che a ni. |
| Thil leh hmel hriat theihna | Hei hi i thluak in thil i hmuh tawh, a bik takin mi hmel a hriat theihna a ni. |
Thluak hmun dang nena inzawmna
Occipital lobe chauh hian hna a thawk lo. Thluak peng dang nen team angin hna a thawk a ni. Entirna tha tak chu lehkhabu chhiar hi a ni . Occipital lobe nei letter te chu i hmu a. Tichuan, chu hawrawp leh thute awmzia hriatthiam nân, chu thu chu thluaka temporal lobe-ah a thawn a ni. Occipital lobe chu letter hre thei "scanner" ang maiin, temporal lobe pawh chu chu thumal awmzia zawng chhuaktu "dictionary" ang a ni.
Mitdel Occipital Lobe hi engtin nge a awm?
Hei hi thil mak tak a ni. Miin a hmuh theih loh vang mai maiin an Occipital Lobe chu a bo mai mai lo. Hna dang lamah a divert a ni. Hei hi neuroplasticity kan ti a ni . Chu chu thluak hian mahni inthlâk danglam theihna leh dinhmun thara insiamrem theihna mak tak a nei tihna a ni.
- Pian tirh emaw, naupan lai emaw atanga mitdel: An occipital lobe hi a thawk nasa hle. Mahse, inlarna atan erawh a ni lo. Chu ai chuan hriatna, rim leh khawih nan a ni zawk.Sense dang atanga information process nan hman a ni a, chu chu. An thusawi emaw, mi dangte thusawi an ngaihthlak emaw hian a active hle bawk.
- Nakin lawka mitdelte: An occipital lobes te hi hmuh theih information processing lama training tha tak an ni. Chuvangin tunah chuan an mit atanga signal lo chhuak chu a bo tawh a, chu theihna chu an hriatna dangte tanpui nan an hmang ta a ni. Entirnan, an thluak hian thil pakhat chu khawih hmangin "a hmu" thei (rilru lem a siam thei) emaw, an chhehvela aw awm atang chuan an awmna hmun "rilru map" a siam thei bawk.
Occipital Lobe natna leh a lan chhuah dan
Thluak tissue tichhe thei dinhmun eng pawh hian occipital lobe a nghawng thei bawk. He harsatna chhinchhiahna zawng zawng deuhthaw hi mit hmuhna nen a inzawm vek a ni.
| Symptom a ni | Chu chu... |
|---|---|
| Mit hmuhna hloh | Mit hmuh lohna a then emaw, a bo vek emaw a awm thei. Mit a tha a, mahse thluak hian signal a process thei lo a nih chuan cortical blindness kan ti thin. |
| Visual illusions te pawh a awm | Mit hmuhna dik lo (distorted vision). Entirnan, thil chu a nihna tak aiin a lian/te zawkin a lang a, a pianzia a danglam (warped mirror atanga thlir ang chi), a nih loh leh thil ding reng chu a che ang maiin a lang. Migraine auras vei thenkhat chuan hetiang thil hi an tawng thin. |
| Mit hmuh theiha thil hmuh theih loh (hallucinations). | Thil awm lo hmuh. Hei hi mit atanga signal a awm loh laiin occipital lobe-a nerve cell-te’n anmahni hnena signal an thawn tan hian a thleng thin. |
| Visual agnosias te hi a awm | Hei hi thil mak tak a ni. Thil pakhat i hmu a, mahse eng nge a nih i hre thei lo. Computer-a file awm mah se, a hawn theihna tur program nei lo ang mai a ni. Entirnan: Ui chu enin i hre thei lo va, mahse ‘meow’ thawm i hriat chuan i hre thei. |
| Anton syndrome a ni | Hemi kawngah hian thil thleng chu mi pakhatin hmu thei lo mah se, "Ka hmu tha famkim thei" tiin a hnial thin. Hei hi thluak chhiatna avanga mahni dinhmun hriat theih lohna hmun a ni. |
A pawimawh ber chu, i mit hmuhnaah inthlak danglamna rang tak, danglam tak i neih chuan (e.g., mit hmuhna hloh nghal, mit pahnih, thil awm lo hmuh) i hmuh chuan doctor i pan nghal tur a ni Stroke ang chi natna khirh tak chhinchhiahna a ni thei.
Occipital Lobe hrisel taka awm theih nan eng nge kan tih theih ang?
Kan thluak dang ang bawkin occipital lobe hrisel taka awm theihna turin thil tam tak kan tih theih a awm. Natna thenkhat chu ven theih a nih loh laiin, a hlauhawmna a tlahniam thei a ni.
1. Ei leh in inthlau (balanced diet) ei: I ei leh in hian thluak hriselna a nghawng nghal vek a ni. A bik takin circulatory system hrisel taka vawn leh stroke ang chi condition ven hi a pawimawh hle.
2. Taksa tihchak la, taksa rihna hrisel tak vawng reng rawh: Exercise hian thisen sang a thunun thei a, thisen kal dan a titha bawk. Heng zawng zawng hi thluak tan a tha vek a ni.
3. Safety gear bun (hei hi a pawimawh hle!): Lu hliam, a bik takin tlu leh car accident hian occipital lobe nasa takin a tichhia thei a ni. Hei hi a chhan chu he hmun hi lu hnung lamah a awm a, chu chuan tlu hlauhawm ber a ni. Chuvangin Bicycle/Motorcycle khalh dawnin helmet vuah ngei ngei tur a ni a, lirtheia chuang dawnin seat belt vuah tur a ni .
4. I natna khirh tak takte enkawl rawh: Zunthlum (Type 2 diabetes), epilepsy (epilepsy), leh thisen sang ang chi natna i neih chuan i doctor thupek chu uluk takin zawm rawh Heng natnate hi uluk taka control hian thluaka chhiatna thleng thei chu a ti tlem thei a ni.
Take-Home Thuchah a ni
- Occipital Lobe hi i lu hnung lama thluak awm, mit hmuhna nena inzawm zawng zawng thunun theitu a ni.
- He hmun tenau tak hian i thil hmuh, a rawng, a pianzia, a hlat zawng, leh a hmel hriatna te hriatthiamna a nei a ni.
- He hmun hi a chhiat chuan mit hmuhna hloh, mit hmuh dan dik lo, thil awm lo hmuh, emaw, thil hmuh hriat theih lohna te ang chi harsatna a awm thei a ni.
- Lu hnung lama hliam hi a hlauhawm zual a, chuvangin i lu venhim a pawimawh hle.
- I mit hmuhnaah inthlâk danglamna rang tak emaw, thil danglam tak emaw i hmuh chuan ngaihthah suh la, doctor thurâwn la nghal rawh .
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