![Puas yog lub hlwb qia tswj kev xav? Puas yog lub hlwb qia tswj kev xav?](https://i.answers-medical.com/preview/medical-health/14029128-does-the-brain-stem-control-reflexes-j.webp)
Video: Puas yog lub hlwb qia tswj kev xav?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov hlwb qia , uas muaj cov medulla (ib feem ntawm lub qaum qaum qaum), pons thiab midbrain (cov tsiaj qis muaj tsuas yog medulla). Cov tswj lub paj hlwb cov reflexes thiab kev ua haujlwm tsis siv neeg (lub plawv dhia, ntshav siab), kev txav chaw ntawm lub cev thiab lub cev ua haujlwm (zom zaub mov, tso zis).
Hauv qhov no, dab tsi ntawm lub hlwb tswj lub sijhawm ua haujlwm?
Lub cerebellum yog nyob rau hauv qab ntawm lub lub hlwb , hauv qab lub paj hlwb. Nws yog ntau me dua li lub paj hlwb. Tab sis nws yog ib qho tseem ceeb heev ib feem ntawm lub hlwb . Nws tswj sib npaug, txav, thiab kev sib koom tes (yuav ua li cas koj cov leeg ua haujlwm ua ke).
Tom qab ntawd, lo lus nug yog, lub hlwb puas tswj lub cev kub? Cov hlwb lossis Truncus encephali hauv Latin yog a lub hlwb tus qauv nyob nruab nrab ntawm medulla thiab tus txha nqaj qaum (1). Kev ua haujlwm ntawm hlwb yog kom tau txais, txheej txheem, thiab kho qee yam haujlwm ntsig txog kev mloog, tsis pom kev, pw tsaug zog, hnov lus, arousal, thiab tswj kub.
Ntawm no, dab tsi yog reflexes tswj los ntawm?
A reflex arc yog ib txoj kev neural uas tswj a reflex . Hauv cov vertebrates, feem ntau cov paj hlwb tsis nkag ncaj qha mus rau hauv lub hlwb, tab sis ua rau lub hlwb txha caj qaum. Qhov no tso cai rau kom nrawm dua reflex ua kom tshwm sim los ntawm activating spinal motor neurons tsis muaj kev ncua ntawm routing signals los ntawm lub hlwb.
Puas yog cerebellum tswj kev xav?
Cov lub paj hlwb thiab lub hlwb txuas nrog lub paj hlwb hauv kev txhawb nqa lub cev thiab lub paj hlwb ua haujlwm. Lub hlwb kuj tswj reflexes.
Pom zoo:
Lub paj hlwb twg yog lub luag haujlwm rau cov qauv kev xa xov paj uas cuam tshuam rau hauv kev pw tsaug zog thiab kev xav?
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Neurotransmitters pw tsaug zog. Siegel JM (1). Ib feem ntawm lub hlwb tseem ceeb tshaj plaws hauv kev tswj lub sijhawm pw tsaug zog yog hypothalamus. Qee pawg ntawm hypothalamic neurons thiab ib pab pawg nyob ib sab ntawm lub hauv paus forebrain neurons tsim cov neurotransmitter gamma-aminobutyric acid (GABA)
Ib qho piv txwv ntawm kev xav txog kev xav txog kev xav yog dab tsi?
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5 Kev Cuam Tshuam Tus Kheej (thiab Social Identity) Cov Qauv Piv Txwv suav nrog pab pawg kis las, kev ntseeg, haiv neeg, kev ua haujlwm, kev nyiam sib deev, haiv neeg, thiab poj niam txiv neej. Social Identity txoj kev xav hais txog txoj hauv kev uas social identities cuam tshuam rau tib neeg tus cwj pwm thiab kev coj cwj pwm ntawm lawv pawg neeg thiab pawg neeg sab nrauv
Dab tsi ntawm lub hlwb yog qhov tseem ceeb hauv kev qhia thiab tswj kev xav?
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Cov kab hauv qab Tab sis cov kws tshaj lij tau txheeb xyuas cov kab mob limbic yog ib qho ntawm cov tseem ceeb ntawm lub hlwb uas tswj cov kev xav tau yooj yim. Raws li thev naus laus zis hloov pauv thiab cov kws tshawb fawb tau pom qhov zoo dua hauv tib neeg lub siab, peb yuav muaj peev xwm kawm paub ntau ntxiv txog lub hauv paus ntawm kev xav ntau dua. Tshooj 9 – limbic system
Qhov twg ntawm lub qhov muag muaj lub teeb pom kev uas hloov pauv lub teeb liab mus rau hauv kev xav ntawm lub paj hlwb?
![Qhov twg ntawm lub qhov muag muaj lub teeb pom kev uas hloov pauv lub teeb liab mus rau hauv kev xav ntawm lub paj hlwb? Qhov twg ntawm lub qhov muag muaj lub teeb pom kev uas hloov pauv lub teeb liab mus rau hauv kev xav ntawm lub paj hlwb?](https://i.answers-medical.com/preview/medical-health/14074768-what-part-of-the-eye-contains-light-receptors-that-transform-optic-signals-into-nerve-impulses-j.webp)
Lub teeb yog mapped raws li ib tug duab nyob rau saum npoo ntawm lub retina los ntawm activating ib tug series ntawm lub teeb-sensitive hlwb hu ua rods thiab cones. Cov hlwb photoreceptor no hloov lub teeb mus rau hluav taws xob uas tau xa mus rau lub hlwb los ntawm cov hlab ntsha
Puas yog lub hlwb qia tswj kev zom zaub mov?
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Txawm li cas los xij, medulla oblongata ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntawm lub paj hlwb. Nws tswj kev ua pa, ntshav siab, lub plawv dhia, kev zom zaub mov, thiab kev pw tsaug zog. Cov qauv no tseem muaj lub luag haujlwm rau kev rov ua dua ntawm lub ntsej muag thiab caj pas, xws li hnoos, txham, hnia, thiab ntsais muag