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Video: Thawj qhov hnov pob ntseg pob ntseg nyob qhov twg?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov thawj lub mloog pob ntseg cortex nyob hauv qhov zoo tshaj ntawm lub cev nqaij daim tawv ntawm lub lobe sab hauv thiab nthuav mus rau sab sulcus ib sab thiab lub cev nqaij daim tawv transverse (tseem hu ua Heschl's gyri). Kev ua suab zaum kawg yog ua los ntawm parietal thiab frontal lobes ntawm tib neeg lub paj hlwb cortex.
Ib yam li ntawd, nws tau nug, qhov twg yog thawj lub mloog pob ntseg cortex nyob qhov xeem?
Nws yog thaj tsam ntawm lub lobe ntawm sab cev nqaij daim tawv uas tau txais lub suab thiab yog lub luag haujlwm rau lub peev xwm hnov. Nws yog ib qho tseem ceeb ntawm lub paj hlwb cortex uas lees txais hnov cov ntaub ntawv los ntawm lub cev nruab nrab nruab nrab. Nws yog thawj cortical thaj tsam ntawm hnov txoj kev.
Ib yam nkaus, lub hemisphere twg yog lub mloog pob ntseg hauv? Nyob rau hauv qhov zoo tshaj ntawm qhov lub cev nqaij daim tawv ntawm txhua lub hemisphere, lub mloog pob ntseg cortex muaj ob qho tib si thawj (idiotypic) thiab theem nrab (tsis yog homotypic) cortices. Qhov qub yog nyob hauv lub sijhawm operculum (Brodmann cheeb tsam 41 thiab ib feem ntawm 42) thiab raug xa mus ua Heschl's gyrus.
Ib qho ntxiv, qhov twg yog qib ob lub pob ntseg mloog pob ntseg nyob?
Thawj lub mloog pob ntseg yog nyob raws ntawm lub qhov ncauj ntawm lub lobe sab hauv sab hauv sab nraub qaum. Secondary auditory cortex , uas tau txais kev kwv yees los ntawm thawj lub mloog pob ntseg , lus dag raws ntug zoo tshaj ntawm ib sab ntug ntawm lub lobe sab cev nqaij daim tawv yog li ib puag ncig thawj cortex.
Lub chaw hnov lus ntawm lub paj hlwb nyob qhov twg?
Thawj hnov cortex (A1) yog nyob ntawm qhov ua tau zoo tshaj plaws ntawm lub cev hauv lub lobe ntawm sab cev nqaij daim tawv thiab tau txais cov ntsiab lus taw tes-rau-taw qhia los ntawm kev faib tawm ntawm lub nruab nrab ntawm lub nruab nrab geniculate complex; yog li, nws muaj daim ntawv qhia tonotopic tseeb.
Pom zoo:
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Dr. John M. Harris tau pib lub ntiaj teb thawj lub tsev kho hniav hauv Bainbridge, Ohio, thiab tau pab tsim kho hniav raws li kev noj qab haus huv. Nws qhib rau 21 Lub Ob Hlis 1828, thiab niaj hnub no yog tsev khaws puav pheej kho hniav. Thawj lub tsev kawm kho hniav, Baltimore College ntawm Kev Kho Hniav, tau qhib hauv Baltimore, Maryland, Asmeskas xyoo 1840
Yuav muaj dab tsi tshwm sim thaum lub pob ntseg hnov pob ntseg puas?
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Qhov ua rau lub mloog pob ntseg tsis tuaj yeem tsis muaj qhov paub tsis meej, qhov tsis muaj peev xwm tuaj yeem kho tau, tsis pom zoo li 'tsis cuam tshuam' kev ua haujlwm zoo li lub cev muaj zog, vestibular, lossis ua qhov muag pom, tuaj yeem ua rau lag ntseg tas mus li, hnov lus tsis meej thiab lwm yam. case hauv paus yam
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Suab funnels los ntawm pinna mus rau sab nraud auditory kwj dej, ib tug luv luv raj uas xaus ntawm lub pob ntseg (tympanic membrane). Lub suab ua rau lub pob ntseg thiab nws cov pob txha me me nyob hauv nruab nrab ntawm lub pob ntseg kom vibrate, thiab cov kev vibrations tau ua rau cov cochlea ze
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Kev hais lus audiometry yog ib qho cuab yeej tseem ceeb hauv kev ntsuas kev hnov lus. Ua ke nrog lub suab ntshiab suab, nws tuaj yeem pab txiav txim siab qib thiab hom kev hnov lus tsis hnov lus. Speech audiometry muab cov ntaub ntawv ntawm kev lees paub lo lus thiab hais txog kev tsis xis nyob lossis ua siab ntev rau kev hais lus
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Cov khoom siv hnov lus zoo tuaj yeem muab faib ua ob hom: nqa cua thiab nqa pob txha. Tag nrho cov cuab yeej siv hluav taws xob xa hluav taws xob xa tawm cov khoom siv lub mloog pob ntseg mus rau hauv tus neeg mloog lub pob ntseg. Txawm li cas los xij, qee tus neeg tsis tuaj yeem hnav lub ntsej muag ua pa pab cuam los ntawm kev mob pob ntseg mob hnyav lossis lub pob ntseg tsis zoo