腭咽阻塞器在腭裂語音治療中的聲學評價和應用研究.pdf

1、青島大學碩士學位論文腭咽阻塞器在腭裂語音治療中的聲學評價和應用研究姓名：王科申請學位級別：碩士專業(yè)：口腔頜面外科指導教師：李寧毅2003.3.1英文摘要ThestudyonevaIuatingtheobturatorinspeechtherapyofCIeftpaIatewiththemethodofacoustieanaIysis[Abstract】objection“Toanalyzethespectrumfeaturesofcle

2、ftspeechafterapplyingtheobturatorandassessitsvalue，whichcanprovideanobjectivetheoreticalandclinicbasisforspeechevaluationandspeechtherapyMethods：Theacousticfeaturesofformantfrequency，amplitudeofthevowels[a]，[e]，[i]，[u]，t

3、heextraformant，thespikeofconsonantsandthegapofsyllableof10healthychildren(controlgroup)，30patientswithcleftpalate(presurgicalgroup)30patientsafteroperation(postsurgicalgroup)withcleftpalateand15patientsafterobturatorspee

4、chtherapy(obturatorgroup)werestudiedbyspectrographyTheIfleanvalueofthefirstthreeformantfrequency(F1，F(xiàn)2，F(xiàn)3)，theamplitude(An，A1of[i])andfrequencyofextraformant(Fn)，thefrequencyofconsonantsspike(b，g，dz)，thegapofthesyllable(

5、clvlc2v2)wereanalyzedResults：@TherewasnosignificantdifferenceattheF1、F2valuesof[a]，[e]，[u]inthefourgroups(pO05)，F(xiàn)2of[i]andF3of[e]，[i]，[u]decreaseinthepresurgicalgroupcomparedtothecontrolgroup(P0。05)；F2of[i]andF3[el，[i]，[

6、u]increasesintheobturatorgroupcomparedtothepostsurgicalgroup(P005)②FnandAnof[a]is10werinobturatorgroup、controlgroupthanthatofpresurgicalgroup、postsurgicalgroup。A1of[i]decreasesinobturatorgroupcomparedtothepostsurgicalgro

7、up。(多rhereisahigherspikeoccurrenceof[b]、[d]、[z]except[g]inobturatorgroupcomparedtothepostsurgicalgroup(PO05)andthespikeoccurrenceinobturatorgroupisstilllowerthanthatofcontrolgroupexcept[b]。@ThefrequencyofMissingGapislowe

8、rinobturatorgroupcomparedtopostsurgicalgroupbutstillhighercomparedtocontrolgroup(P005)ConcIusions：OTheanalysisofspectrumisofgreathelpinevaluatingtheeffectofobturatoronsequencetherapyofcleftpalate②Accordingtotheanalysisof

9、formants，extraformantofvowels，nasalisedvowelsdecreaseandtheconditionofVelopharyngealcompetence(VPC)becomewell③ThespikeofconsonantsandthegapofdoublesyllablesarevaluableforclinicianstoassessVPCandcompensatoryarticulations2