Thluak chhunga thil mak tak tak, hmuh theihna tura puitu i zir theih nan: Occipital Lobe.

Khawvela thil mawi tak takte i hmuh dan te, rawng i hriat dan te, i thiante leh chhungte hmel i hriat reng dan te i ngaihtuah ngai em? Heng zawng zawnga mawhphurtu kan thluak peng mak tak leh pawimawh tak a awm a. Chu chu Occipital Lobe kan tih chu a ni . Chuvangin, vawiin hian he ‘vision center’ ropui tak hi tlem tal chipchiar zawkin kan sawi dawn a ni .

Occipital Lobe hi eng nge ni? Khawiah nge a awm?

A awlsam zawngin sawi ila, occipital lobe hi i thluak peng lian pali zinga pakhat a ni. It is located at the very back of your head , i lu hnung lama te te chungah chiah a awm. Kan thluaka lobe dangte nena khaikhin chuan lobe te ber a ni. Mahse, a lian lo hle nachungin hna ropui tak a thawk a ni. I hria em? I mit hmanga i hmuh zawng zawng, chu chu hmuh theiha hriat zawng zawng hi he occipital lobe hian a process a, a hrethiam a, a zirchiang vek a ni. Kan mit hi camera ang ni ta se, hei hi chu camera-in thlalak a lakte process tu lab chu a ni.

He occipital lobe hi thluak hmun dang ang bawkin a chanve pahnih, veilam leh dinglam ah then a ni. An pahnih inkarah hian canal te tak te a awm a.

Occipital lobe hnathawh ber berte chu engte nge ni?

Occipital lobe hnathawh ber leh awmchhun chu hmuh theih information process hi a ni . Chu chu kan mitin kan hmuhte chu awmzia nei tura siam tihna a ni. Hei hi thil kalphung buaithlak deuh a ni. Hetiang thil hi engtin nge a lo awm tih i lo en ang u.

Mit atanga occipital lobe thlenga information lo kal dan

Hetiang hian han ngaihtuah teh: i mit chhunga pupil chu window ang a ni. He window hi pawn lam atanga êng mit chhunga a luhna hmun a ni. Mit chhungah, hnung lamah, cell layer buaithlak tak tak, retina . I hmuh thlalak te hi retina chhunga cell te hian coded message chipchiar takah an chantir thin.

Heng coded message te hi i optic nerve kaltlangin i thluak thlengin an kal thin. Chumi hnuah chuan i thluak chhunga mit lam kawng (optic tracts) -ah chuan an kal lehzual a ni. Kawngpuiah chuan heng signal te hi thluak hmun pawimawh dang, thalamus , kaltlangin an kal a, a tawpah chuan occipital lobe an thleng ta a ni.

Heng signal te hi occipital lobe an thlen chuan hna tak tak chu a intan ta a ni. Chu chu mitin a thawn chhuah heng code te hi decode a, chu information chu thluak dang zawng zawngin an hman theih leh an hriatthiam theih tur thila chantir tihna a ni.

Hetiang thil hi occipital lobe hmun bik pahnih-ah a thleng ber a, chungte chu primary visual cortex leh secondary visual cortex . "Cortex" emaw "cortex" emaw a ni.He thumal hi Latin tawng atanga lo chhuak a ni a, a awmzia chu "thing hnah" tihna a ni. Kan thluak pawn lam hrual (wrinkled outer surface) a kawk a ni. Chuvangin, he visual cortex hi cortex chhunga vision nena inzawm signal process tu a ni.

Occipital lobe atanga kan hmuh theihna te

"Vision" kan tih pawhin a chhungah hian kalphung leh theihna hrang hrang a tam hle. Heng zawng zawngah hian occipital lobe hian a pui thin. Entirna tlemte chu hetiang hi a ni:

• Spatial processing: Hei hi i retina atanga signal lo chhuakte decode tu a ni a, i chhehvela thil awmte pianzia, texture leh details dangte hmuh theihna tura puitu a ni.
• Color processing: Hei hian rawng i hmuh theih nan leh rawng hrang hrang leh an shade hrang hrang i thliar hrang thei a ni. Mi thenkhat chuan rawng thenkhat an hmu thei lo mai thei a, chu chu he thil kalphungah hian chak lohna engemaw zat a awm thei tihna a ni a, chu chu rawng mitdelna ang chi dinhmunah te pawh a ni thei
• Distance leh depth perception: Hetiang theihna hian i thluak hian thil i hmuh lian leh te leh i atanga hlat zawng a chhut thei a ni.
• Thil leh hmel hriat theihna: He theihna hian i thil hmuh tawhte, a bik takin i tawn tawhte hmel hriat theihna turin a pui che a ni.

Engtin nge occipital lobe hian taksa peng leh system dangte a puih?

I mit hi i chhehvela i thil hmuhte hmuchhuaktu a ni a, chu thu chu i thluak hnenah signal angin a thawn chhuak thin. Mahse, chu signal te chu occipital lobe hian a la a, a process a, thluak hmun dang nen thawk hovin i thil hmuh chu awmzia a nei thei a ni.

Hei hi entirnan tha tak chu lehkha chhiar hi a ni . Lehkhabu emaw chanchinbu emaw i chhiar hian occipital lobe hian a chhunga letter leh thumal awmte chu a hre hmasa ber thin. Tichuan, chu lem leh chhinchhiahna hriat tawhte chu thluak temporal lobe nen an inzawm khawm a, ziak ṭawng chu an hrethiam a, a thupui chu an hrethiam ta a ni. Thawhhona ropui tak a ni lo maw?

Occipital lobe hi eng atanga siam nge ni?

Occipital lobe hi thluak hmun dang zawng zawng siamtu cell chi hrang hrang atanga siam a ni. Cell chi hnih a awm a, chungte chu:

• Neurons: Hei hi thluak leh nervous system-a cell awmte an ni a, neuron dangte hnenah signal thawn thei, a nih loh leh signal dawngin hmun dangah a thawn thei a ni. Heng signal te hi neurons chhungah electrical impulse angin an kal thin. Neuron chuan heng electrical signal te hi chemical ah a chantir a, neuron atang hian a chhuah tir thin. A dawta neuron chuan chu chemical te chu a hre chiang a, electrical impulse dang a siam leh ta a ni. Hei hi neurons chhungah leh neuron inkarah message a kal chak em em dan a ni.
• Glial cells te chu:Hengte hi nervous system thlawptu cell te an ni. Signal an manage lo. Chu ai chuan neurons an enkawl a, bawlhhlawh an paih a, ei tur tha an pe a, structural support an pe bawk.

Mitdelte zingah engtin nge occipital lobe hian hna a thawh?

Hei pawh hi zawhna pawimawh tak a ni. Mitdelah pawh occipital lobe hi a la thawk reng a ni. Mahse, chu thiltih chu chu mi chu mitdel a piang emaw, a naupan laia mitdel emaw, a hnu lama mitdel emaw a nih leh nih lohah a innghat a ni.

Pian tirh atanga mitdel emaw, naupan lai emawa mitdelte zingah occipital lobe hnathawh dan

Mi pian tirh atanga mitdel emaw, naupan lai emaw atanga mitdelte occipital lobe hi a la thawk nasa hle. Mahse, chu thiltih chu an hriatna dangte an hman hian a thleng ṭhin. Chu chu an rim, an hriat, an khawih lai a ni. Tin, mitdel pakhatin midang thusawi a sawi emaw, a ngaihthlak emaw hian an occipital lobe chu a thawk nasa zawk thin.

Hetiang hian occipital lobe chu hna danglam tak thawk turin reprogramme theih a ni a , chu chu neuroplasticity an ti a ni . Chu chu thluak hian thil awmdan danglam tak emaw, thil awmdan danglam tak emaw a insiamrem theihna a ni. Mak a ni lo maw?

Nakin lawka mitdelte zingah occipital lobe hnathawh dan

Mit nena inzawm thil avanga nakin lawka mitdelte zingah chuan, hmân laia hmuh theih information process ṭhin, visual cortex hian hriatna dang aṭanga thu hriatte chu eng emaw chen chu a la chhang thei tho a, tunah chuan hmuh theih input tlem zawk (a nih loh leh dawng lo) mah se.

Hei hi a thlen dan tlangpui pahnih chu hriatna leh khawih hriatna hmangin a ni. A awlsam zawngin, i thluak hian a hmuh theihna chu hriatna dangte lamah a kaihruai a ni. Hei hian mi pakhat chu thil pakhat khawih hmangin "a hmu" thei a, a nih loh leh a thil hriat a\angin a chhehvel rilru lama thlalak a siam thei bawk.

Occipital lobe tibuaitu natna leh dinhmun tlanglawn tak takte chu engte nge ni?

I thluak tissue tichhe thei condition eng pawh hian occipital lobe a nghawng thei bawk. Entirna thenkhat chu hetiang hi a ni:

• Alice in Wonderland natna a ni
• Alzheimer natna chi hrang hrang awm lo thenkhat , entirnan , posterior cortical atrophy
• Brain lesions (natna avanga lo awm thei emaw, surgery/damdawi lam enkawlna avanga chhiatna thleng thei) .
• Brain tumor (cancer pawh tel) .
• Carbon monoxide avanga rimchhia a awm
• Lu hliam, a bik takin concussion leh traumatic brain injuries te
• Heavy metal poisoning emaw toxin dang emaw a awm thei
• Infection (a bik takin encephalitis thlentu infection ) .
• Lewy taksa lam natna (dementia) a awm
• Migraine natna (Migraine) a awm
• A hnu lama rilru lam natna (PRES) .
• Seizure kaihhnawih natna, epilepsy ang chi te
• Thai
• Visual agnosias (hei hi symptom leh condition tia sawi theih a ni) .

Occipital lobe lama harsatna awm thei chhinchhiahna emaw, a lan chhuah dan tlangpui emaw chu engte nge ni?

Occipital lobe hnathawh ber chu mit hmuhna nena inzawm a nih avangin, a nghawngtu dinhmun chhinchhiahna zawng zawng deuhthaw hi mit hmuhna nen a inzawm vek a ni. A lan chhuah dan thenkhat chu hetiang hi a ni:

• Mit hmuhna hloh (a then emaw, a kim emaw) .
• Visual anosognosia emaw Anton syndrome emaw a awm thei
• Visual agnosias te hi a awm
• Visual illusions (e.g., migraines laiin aura nena inzawm distortion) .
• Mit hmuh theiha thil hmuh theih loh (hallucinations).

Mit hmuhna hloh

Occipital lobe a chhiat chuan i field of vision thenkhat emaw, a zawng zawng emaw i hloh thei a ni. Hei hian mit pakhat chauh emaw, mit pahnih emaw a nghawng thei a ni. I mit a hloh vek a, mit pahnih a nghawng chuan cortical blindness an ti a ni. Hetiang natna i neih chuan i mit hian hna a thawk tha hle a, mahse i thluak hian mit hmuhna nena inzawm nerve signal te chu a process thei lo va, mitdelna a thlen thin.

Visual anosognosia emaw Anton syndrome emaw a awm thei

Thluak a chhiat chuan thluak in amah leh amah a enfiah theihna chu a tibuai thei a ni. Hei hian natna lan chhuah dan emaw, harsatna chhinchhiahna dang emaw hriat theih lohna a thlen thei a ni. Visual anosognosia awm tam ber chu mitdel pakhatin mit lama harsatna a neih thu a hnial hian a ni. Anton syndrome hmuh tur awm lo dang chu mi pakhatin mitdel anga inngai mahse a mit a la thawk reng tih chhinchhiahna a lantir (at least subconsciously) hi a ni.

Visual agnosias te hi a awm

Hei hi i thluak hian i thil hmuh chu a process tha thei lo tihna a ni. Computer-a file hawn tum ang mai a ni a, mahse program dik tak i nei lo. Computer hian file a hawng thei lo a, a chhan chu a hman dan tur a hriat loh vang a ni. Chu chu visual agnosia chu a ni. I thluak hian i mit hmuh chu a hrethiam thei lo va, a process thei lo bawk. Mahse, a chang chuan hriatna dangte hian hei hi an pui thei a, an thawk chhuak thei bawk.

Entirna thenkhat:

• Object agnosia: Hemiah hian thil pakhat hmuh a ni a, mahse chu mi chuan a hre thei lo. Mahse, aw hmangin an hre thei mai thei (e.g., ui chu hmuhin a hre lo mai thei a, mahse a ‘meow’ ri a\angin hriat theih a ni) emaw, khawih hmangin emaw (e.g., chabi chu hmuhin a hre lo mai thei a, mahse khawih leh a pianzia hmangin a hre thei).
• Color agnosia: Hei hi kawng hnih in a thleng thei. Pakhat chu i hmuh colour te chu i process thei lo tih hi a ni. Hei hian rawng a ti dum thei a, a dum ( achromatopsia ) angin a lang thei bawk. A chi dang chu an hming nen hian rawng i inzawm thei lo tih hi a ni. A rawng te chu i hmu thei a, mahse i thluak hian a hming a sawi thei lo va, i hriat chuan a hre thei lo bawk. Color agnosia hi mit natna a ni a, color blindness nen a danglam a ni.
• Visual simultanagnosia: Hei hi thil pakhat zel hmuh theih ni mahse an inzawm dan i hriatthiam theih loh hun a ni. Entîr nân, ramngaw ang maia lang mah se, thing tam tak a awm khâwm tih i hrethiam lo mai thei.

Visual illusions te pawh a awm

Chungte chu i mit hmuh dan dik lo emaw, inthlak danglamna emaw a ni. I mit atanga signal lo chhuak chu i thluak in a process tha loh chuan an lo awm thin. Hei hian i thil hmuhte mizia a nghawng thei a ni:

• Size: Thil awmte chu an nihna aia lian emaw, te zawk emaw angin a lang thei.
• Shape: Thil awmte chu a danglamin a lang thei (i lem chu hmun inthlau takah, rippled mirror-ah emaw, tui che vel chungah emaw a lan dan kha han ngaihtuah teh).
• Movement: Thil pakhat chu a takin a ding reng chung pawhin a che angin a lang thei a, a nih loh leh thil che lai chu a ding reng angin a lang thei bawk.

Mit hmuh theiha thil hmuh theih loh (hallucinations).

Thil awmdan pangngaiah chuan mi mit hmuhna hi thluak hian mit atanga signal a process vang a ni. Chu signal-te chu occipital lobe a thlen chuan, chu lai hmuna neuron-te chuan thluak hmun dangah signal an thawn chhuak a ni. Visual hallucinations chu occipital lobe-a neuron-te chu mit atanga signal dawng ang maia an che a, mahse a takah chuan anmahni chauhin an thawk a, chutiang signal awm lovin an thawk a ni. Chu chu thil awm lo hmu tura inlan an ni tihna a ni.

Occipital lobe hriselna enfiah nan eng test nge awm?

Doctor te hian i occipital lobe hriselna enfiah dan hrang hrang an nei a. Chung zingah chuan diagnostic test, lab test, leh scan te pawh a tel. Entirna tlemte chu hetiang hi a ni:

• Thisen test (hengte hian immune system lama harsatna atanga toxin leh poison thlengin, a bik takin metals copper, mercury, leh lead te chu a hmuchhuak thei a ni).
• Computer tomography (CT) hmanga tihchhuah a ni
• Electroencephalogram (EEG) hmanga chhut a ni.
• Electromyogram (EMG) (Electromyogram (nerve kal dan enfiahna) ) .
• Evoked potentials ( sensory test) hmanga thil tih theihna ( sensory tests) te .
• Magnetic resonance imaging (MRI) hmanga enfiah a ni.
• Neuropsychological testing neih a ni
• Positron emission tomography (PET) hmanga tihchhuah a ni

Occipital lobe tichhe thei dinhmunte enkawlna hman tlanglawn tak takte chu engte nge ni?

I thluak tissue tichhe thei thil tam tak a awm a, chutiang natna enkawl dan pawh a inang lo hle. Condition pakhat tana hnathawk thei enkawlna chuan a dang tan a thawk lo thei a, a dang pawh a ti na zual thei bawk. Chuvangin, thluak natna eng pawh enkawl dan tur chungchangah doctor hi a tha ber a ni. I dinhmun ang zela chhânna pe tûrin i damdawi lam chanchin, tûna i dinhmun, i duhzâwng leh thil dangte chu an ngaihtuah ang.

Ka occipital lobe hrisel taka awm theih nan eng nge ka tih theih ang?

I thluak zawng zawng, i occipital lobe pawh tiamin, hriselna tha tak neih theih nan thil tam tak i tih theih a ni. Thluak natna thenkhat chu ven theih a ni. Mi dangte chu ven theih a ni lo mai thei a, mahse i vei theihna chu i tihtlem thei a ni. I tih theih pawimawh tak tak thenkhat chu hetiang hi a ni:

• Ei leh in inthlau tak ei rawh: Vitamin D tam lutuk emaw, tlem lutuk emaw hian i thluak tan harsatna a thlen thei a, occipital lobe pawh a tichhe thei a ni. I ei leh in hian i circulatory system hriselna a nghawng bawk a, chu chu thluak hnathawh thatna atana pawimawh tak a ni (paralysis hi circulatory system natnain thluak a nghawng huna lo awm dan entir nan a hmang a ni).
• Taksa chak taka awm la, taksa rihna hrisel tak vawng reng rawh: I taksa rihna leh i thawhrimna level hian thluak tichhe thei dinhmun, a bik takin thisen sang ang chi thisen kalna lama harsatna awmte chu a veng thei a, a tikhawtlai thei bawk. I chhungkaw doctor chuan i taksa rihna tha ber chu eng nge ni tih leh chu chu vawng reng tura pui turin eng nge i tih theih tih a hrilh thei che a ni. Taksa tihchak pawh hi i thluak tan a tha hle. Thisen kal dan a tichak mai bakah thluaka pianphung atanga siam chhuah neurotransmitters an tih chemical tha tak tak siamchhuahna a tichak bawk.
• A tul hunah venhimna hmanrua ha rawh: Lu hliam, a bik takin concussion leh traumatic brain injuries te hi i occipital lobe tan a hlauhawm hle. Hei hi a chhan chu thluak peng hi lu hnung lamah a awm a, chu chuan hliam a tuar awlsam zawk a ni. Helmet, safety harness (seat belt ang chi), leh invenna hmanrua dangte bun hian occipital lobe lama harsatna awm thei venna kawngah kawng thui tak a zawh thei a ni.
• I natna khirh tak takte enkawl rawh: Thluak tibuaitu natna tam tak chu hun kal zelah a na zual zel a. Mahse, heng natnate enkawl hian a chang chuan a titawp thei a, a lo zual zel pawh a tikhawtlai thei bawk. Heng natna entirnan type 2 diabetes leh epilepsy te hi a ni.

Kan thluak peng te ber chu occipital lobe hi a ni tih hre reng ang che, mahse khawvel hmuh leh tawn theihna tura min puitu bulpui ber a ni. Chuvangin enkawl a pawimawh hle!

A tawp berah chuan thil hriat reng tur (Take-Home Message) .

Occipital lobe hi i thluaka lobe te ber a ni thei a, mahse a tam zawkah chuan kan zavaia kan rinchhan ber a ni. Lu hnung lama awm, thluak peng hian i mit atanga signal lo chhuak chu a process thin. Natna leh dinhmun tam takin a nghawng thei a, mahse he thluak bial chungchanga scientific leh medical lama hriatthiamna hian heng harsatna tam tak hi hriatchhuah leh enkawlna atan thutiam a nei a ni.

Occipital lobe hi thluak hmun dang tam tak nen pawh a inzawm a, mit hmuhna leh theihna dang tam tak nen pawh a inzawm bawk. I chhehvel khawvel i hriat theihna leh i hriatthiam theihna atana thil pawimawh tak a ni. Tin, i thil tawn te chu thluak hmun hrang hrangah thuchah thawnin hriatrengna siam turin a pui bawk. Chuvangin, occipital lobe hi mi zawng zawng lu hnung lamah awm mah se (a thumal leh a lan danah pawh), he thluak peng hi i nitin nunah a thawhhlawk ber pakhat a ni. Chuvangin he pasaltha te tak te hi uluk taka enkawl hi i mawhphurhna a ni.

` Occipital Lobe, Thluak, Hmuh theihna, Retina, Visual Cortex, Neurology