...idtlangnp1048tlangfenp1033 tsbasedon0 tsnext15 Body TextSIts16tql tli0tri0tidctlparttqcttx4320ttqrttx8640taspalphata
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p1033 tsbasedon0 tsnext16 headerSIts17tql tli0tri0tidctlparttqcttx4320ttqrttx8640taspalphata
spnumtfaautotadjustrighttrin0tlin0titap0 trtlchtfcs1 taf0tafs20talang1025 tltrchtfcs0 tfs20tlang1048tlangfe1033tcgridtlangnp1048tlangfen
p1033 tsbasedon0 tsnext17 footerSIttcs18 tadditive trtlchtfcs1 taf0 tltrchtfcs0 tultcf2 tsbasedon10 tstyrsid6826472 HyperlinkSSIttpgptbl Itpgptipgp0titap0tli0tri0tsb0tsa0SSIttrsidtbl trsid2249220trsid5701870trsid5920106trsid6826472tr
sid10033836trsid10174474trsid11632549trsid12464357t
rsid12547087trsid13134808trsid14091367trsid14361226
trsid14903800trsid15805940trsid16083565SIttgenerato
r Microsoft ord 10.0.2627SItinfoIttitle Modul in care functioneaza creierulSItauthor ASItoperator DanielSItcreatimtyr2002tmo5tdy11thr12tmin41SItrevt
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spnumtfaautotadjustrighttrin0tlin0titap0tpararsid68
26472 trtlchtfcs1 taf0tafs20talang1025 tltrchtfcs0 tfs20tlang1048tlangfe1033tcgridtlangnp1048tlangfen
p1033 Itrtlchtfcs1 taf1tafs28 tltrchtfcs0 tf1tfs28tinsrsid13134808 tpar Stpard tltrparts16tql tli0tri0tidctlparttqcttx4320ttqrttx8640taspalphata
spnumtfaautotadjustrighttrin0tlin0titap0tpararsid68
26472 Itrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid13134808tcharrsid6826472 tpar SSIttpnseclvl1tpnucrmtpnqctpnstart1tpnindent720tpn
hang Itpntxta .SSIttpnseclvl2tpnucltrtpnqctpnstart1tpnindent720t
pnhang Itpntxta .SSIttpnseclvl3tpndectpnqctpnstart1tpnindent720tpn
hang Itpntxta .SSIttpnseclvl4tpnlcltrtpnqctpnstart1tpnindent720t
pnhang Itpntxta SSIttpnseclvl5tpndectpnqctpnstart1tpnindent720tpnh
ang Itpntxtb SItpntxta SSIttpnseclvl6tpnlcltrtpnqctpnstart1tpnindent720tp
nhang Itpntxtb SItpntxta SSIttpnseclvl7tpnlcrmtpnqctpnstart1tpnindent720tpn
hang Itpntxtb SItpntxta SSIttpnseclvl8tpnlcltrtpnqctpnstart1tpnindent720tp
nhang Itpntxtb SItpntxta SSIttpnseclvl9tpnlcrmtpnqctpnstart1tpnindent720tpn
hang Itpntxtb SItpntxta SStpardtplain tltrparts1tqc tli0tri0tsl480tslmult1tkeepntidctlpartaspalphatasp
numtfaautotoutlinelevel0tadjustrighttrin0tlin0titap
0tpararsid10174474 trtlchtfcs1 taf0tafs20talang1025 tltrchtfcs0 titf36tfs48tultlang1033tlangfe1033tcgridtlangnp103
3tlangfenp1033 Itrtlchtfcs1 taf0 tltrchtfcs0 tbti0tlang1036tlangfe1033tlangnp1036tinsrsid570187
0tcharrsid12464357 Modul de SItrtlchtfcs1 taf0 tltrchtfcs0 tbti0tlang1036tlangfe1033tlangnp1036tinsrsid158059
40tcharrsid12464357 functionare aSItrtlchtfcs1 taf0 tltrchtfcs0 tbti0tlang1036tlangfe1033tlangnp1036tinsrsid116325
49tcharrsid12464357 creierulSItrtlchtfcs1 taf0 tltrchtfcs0 tbti0tlang1036tlangfe1033tlangnp1036tinsrsid158059
40tcharrsid12464357 uiSItrtlchtfcs1 taf0tafs32 tltrchtfcs0 tbti0tf0tfs32tulnonetlang1036tlangfe1033tlangnp103
6tinsrsid11632549tcharrsid12464357 tpar Stpardtplain tltrpartqj tli0tri0tidctlpartaspalphataspnumtfaautotadjustrig
httrin0tlin0titap0tpararsid10174474 trtlchtfcs1 taf0tafs20talang1025 tltrchtfcs0 tfs20tlang1048tlangfe1033tcgridtlangnp1048tlangfen
p1033 Itrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid11632549tcharrsid10174474 tpar ttab Creierul functioneaza cu ajutorul unor circuite neuronale , sau celule nervoase.Comunicarera intre neuroni este atat electrica cat si chimica, si calatoreste in totdeauna de la dendritele unui neuron , prin soma , prin axon , catre dendritele unui alt neuron. Dendritele unui neuron primesc semnale de la axoniSItrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid14903800 iSItrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid11632549tcharrsid10174474 altor neuroni prin chimicalele numite neurotransmitatori. Neurotransmitatorii produc o incarcare electrochimica in soma. Soma integreaza informatia, care este apoi transmisa electrochimic mai departe de axon.tpar SItrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid16083565 ttab Oamenii de stiinta au douaSItrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid11632549tcharrsid10174474 directii in studiul modalitatii in care functioneaza creierul. O directie este studierea functiilor creierului dupa ce o parte din creier a fost distrusa. Functiile care dispar , sau care nu mai sunt normale dupa ranirea anumitor regiuni ale creierului pot fi deseori asociate cu regiunile lezate. Cea de-a doua directie este studierea raspunsului creierului la stimulare directa sau stimularea anumitor organe de simt. Neuronii sunt grupati dupa functii in grupari de celule numite nuclee. Aceste nuclee sunt conectate la senzori motori si alte sisteme. Oamenii de siinta pot studia functiile sometosenzorilordurerea si atingerea, motor, olfactiv, vizual, auditiv, SItrtlchtfcs1 taf0 tltrchtfcs0 tvtinsrsid11632549tcharrsid10174474 . Aceste nuclee t00t00t00t00t00t00t00t00t00t00t00t00t00t00t00t00t0
0t00t00t00t00t00t00t00t00t00t00t00t00st00t00t00t00t
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00t00t00t00t00t00SItrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid11632549tcharrsid10174474 cat si a altor sisteme care masoara schimbarile fiziologicefizice si chimice care apar in creier cand aceste simturi sunt activate. De exemplu electroencefalograma EEG masoara activitatea electrica a unor anumitor grupuri de neuroni prin electroizi atasati suprafetei creierului.Electrozii sunt inserati direct in creier pot citi anumiti neuroni. Schimbarile in debitul sangui, glucoza, consumul de oxigen in grupul unor celule active pot fi deasemenea observate.tpar ttab SItrtlchtfcs1 taf0 tltrchtfcs0 tbtinsrsid11632549tcharrsid10174474 A SItrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid11632549tcharrsid10174474 Vederea Sistemul vizual al omului este unul dintre cele mai avansate sisteme senzoriale .SItrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid5920106 SItrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid11632549tcharrsid10174474 Vizual pot fi acumulate mai multe imagini de cat prin oricare alta metoda.Pe langa structura ochiului propriu zis, numeroase regiuni ale creierului, numite impreuna cortexuri asociative vizuale , cat si mijlocul creierului sunt implicate in sistemul vizual.SItrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid5920106 SItrtlchtfcs1 taf0 tltrchtfcs0 tinsrsid11632549tcharrsid10174474 Constient, procesarea imaginilor se petrece in cortex, dar reflexiv, imediat si inconstient , raspunsul are loc in partea superioara a colliculus, in partea mijlocie a creierului. Regiunile corticale asociative, regiuni specializate care asociaza sau integreaza ...
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