TY  - JOUR
AU  - Radičević, Zoran
AU  - Jeličić, Ljiljana
AU  - Bogavac, Ivana
AU  - Stokić, Miodrag
AU  - Sovilj, Mirjana
AU  - Subotić, Miško
PY  - 2015
UR  - https://www.casopis.fasper.bg.ac.rs/
UR  - http://rfasper.fasper.bg.ac.rs/handle/123456789/3369
AB  - The paper discusses the changes in relations of visual and auditory inputs between the hemispheres in a child with hyperactive syndrome and its effects which may lead to better attention engagement in auditory and visual information analysis. The method included the use of cartographic EEG and clinical procedure in a 10-year-old boy with hyperactive syndrome and attention deficit disorder, who has theta dysfunction manifested in standard EEG. Cartographic EEG patterns was performed on NihonKohden Corporation, EEG – 1200K Neurofax apparatus in longitudinal bipolar electrode assembly schedule by utilizing10/20 International electrode positioning. Impedance was maintained below 5 kΩ, with not more than 1 kΩ differences between the electrodes. Lower filter was set at 0.53 Hz and higher filter at 35 Hz. Recording was performed in a quiet period and during stimulation procedures that include speech and language basis.Standard EEG and Neurofeedback (NFB) treatment indicated
higher theta load, alpha 2 and beta 1 activity measured in the
cartographic EEG which was done after the relative failure of NFB
treatment. After this, the NFB treatment was applied which lasted for
six months, in a way that when the boy was reading, the visual input
was enhanced to the left hemisphere and auditory input was reduced
to the right hemisphere. Repeated EEG mapping analysis showed that
there was a significant improvement, both in EEG findings as well as
in attention, behavioural and learning disorders. The paper discusses
some aspects of learning, attention and behaviour in relation to
changes in the standard EEG, especially in cartographic EEG and
NFB findings.
AB  - U radu se analiziraju promene pri preusmeravanju vizuelne i auditivne
informacije između hemisfera kod deteta sa sindromom hiperakrivnosti
i njihovi efekti koji mogu dovesti do boljeg angažovanja pažnje
pri analizi auditivne i vizuelne informacije. Metod je uključio upotrebu
kartografskog EEG-a u toku kliničke procedure kod desetogodišnjeg
dečaka sa poremećajem pažnje i sindromom hiperaktivnosti, koji je
imao theta disfunkciju manifestovanu na standardnom EEG-u. Kvantitativni
EEG profil je meren pomoću NihonKohden Corporation, EEG
– 1200K Neurofaxaparata, koji obezbeđuje 19 EEG kanala. Elektrode su
pozicionirane prema 10/20 Internacionalnom sistemu za pozicioniranje
elektroda. Impendanca je bila održavana ispod 5кΩ, sa ne više od 1кΩ
razlike između elektroda. Niži filter je bio postavljen na 0,53Hz i viši
filter na 35Hz. Snimanje je vršeno tokom mirnog perioda kao i tokom
stimulacije koja je uključivala osnove govora i jezika.
Standardni EEG i Neurofidbek (NFB) tretman su indikovali više
theta opterećenje, alpha 2 i beta 1 aktivnost, merene kartografskim
EEG-om, što je urađeno nakon relativnog neuspeha NFB tretmana.
Nakon ovoga, primenjen je NBF tretman u trajanju od šest meseci, na
način da kada dečak čita vizuelna informacija je prosleđivana levoj hemisferi,
a auditivna informacija ograničena na desnu hemisferu. Ponovljene
EEG mape su pokazale značajno poboljšanje na planu pažnje i na
planu ponašanja i učenja. U radu se diskutuje o određenim aspektima
učenja, pažnje i ponašanja u odnosu na promene na standardnom EEGu,
posebno kartografskom EEG-u i NFB saznanjima.
PB  - Univerzitet u Beogradu - Fakultet za specijalnu edukaciju i rehabilitaciju
T2  - Specijalna edukacija i rehabilitacija
T1  - The changes in relation of auditory and visual input acitivity between hemispheres analized in cartographic EEG in a child with hyperactivity syndrome
T1  - Promene pri preusmeravanju auditivne i vizuelne informacije između hemisvera analizirane kartografskim EEG - om kod deteta sa sindromom hiperaktivnosti
EP  - 458
IS  - 4
SP  - 441
VL  - 14
DO  - 10.5937/specedreh14-8622
ER  - 

@article{
author = "Radičević, Zoran and Jeličić, Ljiljana and Bogavac, Ivana and Stokić, Miodrag and Sovilj, Mirjana and Subotić, Miško",
year = "2015",
abstract = "The paper discusses the changes in relations of visual and auditory inputs between the hemispheres in a child with hyperactive syndrome and its effects which may lead to better attention engagement in auditory and visual information analysis. The method included the use of cartographic EEG and clinical procedure in a 10-year-old boy with hyperactive syndrome and attention deficit disorder, who has theta dysfunction manifested in standard EEG. Cartographic EEG patterns was performed on NihonKohden Corporation, EEG – 1200K Neurofax apparatus in longitudinal bipolar electrode assembly schedule by utilizing10/20 International electrode positioning. Impedance was maintained below 5 kΩ, with not more than 1 kΩ differences between the electrodes. Lower filter was set at 0.53 Hz and higher filter at 35 Hz. Recording was performed in a quiet period and during stimulation procedures that include speech and language basis.Standard EEG and Neurofeedback (NFB) treatment indicated
higher theta load, alpha 2 and beta 1 activity measured in the
cartographic EEG which was done after the relative failure of NFB
treatment. After this, the NFB treatment was applied which lasted for
six months, in a way that when the boy was reading, the visual input
was enhanced to the left hemisphere and auditory input was reduced
to the right hemisphere. Repeated EEG mapping analysis showed that
there was a significant improvement, both in EEG findings as well as
in attention, behavioural and learning disorders. The paper discusses
some aspects of learning, attention and behaviour in relation to
changes in the standard EEG, especially in cartographic EEG and
NFB findings., U radu se analiziraju promene pri preusmeravanju vizuelne i auditivne
informacije između hemisfera kod deteta sa sindromom hiperakrivnosti
i njihovi efekti koji mogu dovesti do boljeg angažovanja pažnje
pri analizi auditivne i vizuelne informacije. Metod je uključio upotrebu
kartografskog EEG-a u toku kliničke procedure kod desetogodišnjeg
dečaka sa poremećajem pažnje i sindromom hiperaktivnosti, koji je
imao theta disfunkciju manifestovanu na standardnom EEG-u. Kvantitativni
EEG profil je meren pomoću NihonKohden Corporation, EEG
– 1200K Neurofaxaparata, koji obezbeđuje 19 EEG kanala. Elektrode su
pozicionirane prema 10/20 Internacionalnom sistemu za pozicioniranje
elektroda. Impendanca je bila održavana ispod 5кΩ, sa ne više od 1кΩ
razlike između elektroda. Niži filter je bio postavljen na 0,53Hz i viši
filter na 35Hz. Snimanje je vršeno tokom mirnog perioda kao i tokom
stimulacije koja je uključivala osnove govora i jezika.
Standardni EEG i Neurofidbek (NFB) tretman su indikovali više
theta opterećenje, alpha 2 i beta 1 aktivnost, merene kartografskim
EEG-om, što je urađeno nakon relativnog neuspeha NFB tretmana.
Nakon ovoga, primenjen je NBF tretman u trajanju od šest meseci, na
način da kada dečak čita vizuelna informacija je prosleđivana levoj hemisferi,
a auditivna informacija ograničena na desnu hemisferu. Ponovljene
EEG mape su pokazale značajno poboljšanje na planu pažnje i na
planu ponašanja i učenja. U radu se diskutuje o određenim aspektima
učenja, pažnje i ponašanja u odnosu na promene na standardnom EEGu,
posebno kartografskom EEG-u i NFB saznanjima.",
publisher = "Univerzitet u Beogradu - Fakultet za specijalnu edukaciju i rehabilitaciju",
journal = "Specijalna edukacija i rehabilitacija",
title = "The changes in relation of auditory and visual input acitivity between hemispheres analized in cartographic EEG in a child with hyperactivity syndrome, Promene pri preusmeravanju auditivne i vizuelne informacije između hemisvera analizirane kartografskim EEG - om kod deteta sa sindromom hiperaktivnosti",
pages = "458-441",
number = "4",
volume = "14",
doi = "10.5937/specedreh14-8622"
}

Radičević, Z., Jeličić, L., Bogavac, I., Stokić, M., Sovilj, M.,& Subotić, M.. (2015). The changes in relation of auditory and visual input acitivity between hemispheres analized in cartographic EEG in a child with hyperactivity syndrome. in Specijalna edukacija i rehabilitacija
Univerzitet u Beogradu - Fakultet za specijalnu edukaciju i rehabilitaciju., 14(4), 441-458.
https://doi.org/10.5937/specedreh14-8622

Radičević Z, Jeličić L, Bogavac I, Stokić M, Sovilj M, Subotić M. The changes in relation of auditory and visual input acitivity between hemispheres analized in cartographic EEG in a child with hyperactivity syndrome. in Specijalna edukacija i rehabilitacija. 2015;14(4):441-458.
doi:10.5937/specedreh14-8622 .

Radičević, Zoran, Jeličić, Ljiljana, Bogavac, Ivana, Stokić, Miodrag, Sovilj, Mirjana, Subotić, Miško, "The changes in relation of auditory and visual input acitivity between hemispheres analized in cartographic EEG in a child with hyperactivity syndrome" in Specijalna edukacija i rehabilitacija, 14, no. 4 (2015):441-458,
https://doi.org/10.5937/specedreh14-8622 . .

TY  - JOUR
AU  - Bogavac, Ivana
AU  - Jeličić Dobrijević, Ljiljana
AU  - Rakonjac, Marijana
PY  - 2014
UR  - http://rfasper.fasper.bg.ac.rs/handle/123456789/3668
AB  - U okviru simptomatologije razvojne disfazije često je prisutan deficit neposrednog verbalnog pamćenja. Deca sa razvojnom disfazijom imaju teškoće u primanju, zadržavanju, obradi i reprodukciji govora. Pomenuta neuslužnost verbalne memorije predstavlja značajnu teš- koću prilikom usvajanja govora i jezika. Cilj istraživanja je da se utvrdi nivo neposrednog verbalnog pamćenja kod dece uzrasta 5 godina sa dijagnozom razvojne disfazije ekspresivnog tipa (F80.1). Istraživanje je sprovedeno u Institutu za eksperimentalnu fonetiku i patologiju govora (IEFPG) u Beogradu. Uzorak se sastojao od N = 46 dece uzrasta pet godina kod koje je dijagnostikovana razvojna disfazija ekspresivnog tipa (F80.1) prema Bateriji testova IEFPG-a. Sva ispitivana deca su imala teškoće u verbalnoj ekspresiji dok je receptivni govor bio očuvan i uredno razvijen. Sva ispitivana deca su bila uključena u kontinuiran logopedski tretman. Metodološka procedura je podrazumevala procenu neposrednog verbalnog pamćenja Testom za procenu verbalnog pamćenja koji je deo IEFPG Baterije testova. Rezultati su pokazali da je 52.2 % ispitivane dece dostigao četvti nivo verbalne memorije koji je obuhvatao sposobnost reprodukcije jednostavnih rečenica koje se uglavnom sastoje od subjekta i predikata, a ponekad i pomoćnog glagola. Postignuti nivoi kratkoročne verbalne memorije se diskutuju u odnosu na hronološki uzrast dece kao i njihovu primarnu dijagnozu.
AB  - As part of the speech and language impairment symptomatology
often is present short-term verbal memory deficit. Impaired children have
difficulties with receiving, retention, processing and reproduction of speech,
and this kind of non-working verbal memory is significant impediment
for speech and language acquisition. Research aim was to determine level
of short-term verbal memory in children with Developmental Dysphasia
(F80.1). The research was conducted in Institute for experimental phonetics
and speech pathology (IEPSP) in Belgrade. Research sample consisted of N
= 46 children at the age of five years who have diagnoses of speech and
language impairment called Developmental Dysphasia (F80.1) according
to estimation by IEPSP Test Battery. All children have difficulties in speech
production while comprehension was regularly developed and were on
continuous speech and language treatment. Methodological procedure
included the estimation of short term verbal memory by Test for verbal
memory assessment which is part of IEPSP Test Battery. Research results
showed that 52.2 % of examined children had immediate verbal memory
at the fourth level which implies they were able to repeat after examiner
simple sentences which contain subject and predicate, while some of
them have sentence structure with auxiliary verb. Achieved levels of short
term verbal memory are discussed in relation to children age and primary
diagnosis.
PB  - Drustvo defektologa Srbije
PB  - Univerzitet u Beogradu – Fakultet za specijalnu edukaciju i rehabilitaciju (ICF)
T2  - Beogradska defektološka škola
T1  - Neposredna verbalna memorija Kod dece sa disfazijom
T1  - Short-term verbal memory in children with speech And language impairment
EP  - 638
IS  - 3
SP  - 627
VL  - 20
UR  - https://hdl.handle.net/21.15107/rcub_rfasper_3668
ER  - 

@article{
author = "Bogavac, Ivana and Jeličić Dobrijević, Ljiljana and Rakonjac, Marijana",
year = "2014",
abstract = "U okviru simptomatologije razvojne disfazije često je prisutan deficit neposrednog verbalnog pamćenja. Deca sa razvojnom disfazijom imaju teškoće u primanju, zadržavanju, obradi i reprodukciji govora. Pomenuta neuslužnost verbalne memorije predstavlja značajnu teš- koću prilikom usvajanja govora i jezika. Cilj istraživanja je da se utvrdi nivo neposrednog verbalnog pamćenja kod dece uzrasta 5 godina sa dijagnozom razvojne disfazije ekspresivnog tipa (F80.1). Istraživanje je sprovedeno u Institutu za eksperimentalnu fonetiku i patologiju govora (IEFPG) u Beogradu. Uzorak se sastojao od N = 46 dece uzrasta pet godina kod koje je dijagnostikovana razvojna disfazija ekspresivnog tipa (F80.1) prema Bateriji testova IEFPG-a. Sva ispitivana deca su imala teškoće u verbalnoj ekspresiji dok je receptivni govor bio očuvan i uredno razvijen. Sva ispitivana deca su bila uključena u kontinuiran logopedski tretman. Metodološka procedura je podrazumevala procenu neposrednog verbalnog pamćenja Testom za procenu verbalnog pamćenja koji je deo IEFPG Baterije testova. Rezultati su pokazali da je 52.2 % ispitivane dece dostigao četvti nivo verbalne memorije koji je obuhvatao sposobnost reprodukcije jednostavnih rečenica koje se uglavnom sastoje od subjekta i predikata, a ponekad i pomoćnog glagola. Postignuti nivoi kratkoročne verbalne memorije se diskutuju u odnosu na hronološki uzrast dece kao i njihovu primarnu dijagnozu., As part of the speech and language impairment symptomatology
often is present short-term verbal memory deficit. Impaired children have
difficulties with receiving, retention, processing and reproduction of speech,
and this kind of non-working verbal memory is significant impediment
for speech and language acquisition. Research aim was to determine level
of short-term verbal memory in children with Developmental Dysphasia
(F80.1). The research was conducted in Institute for experimental phonetics
and speech pathology (IEPSP) in Belgrade. Research sample consisted of N
= 46 children at the age of five years who have diagnoses of speech and
language impairment called Developmental Dysphasia (F80.1) according
to estimation by IEPSP Test Battery. All children have difficulties in speech
production while comprehension was regularly developed and were on
continuous speech and language treatment. Methodological procedure
included the estimation of short term verbal memory by Test for verbal
memory assessment which is part of IEPSP Test Battery. Research results
showed that 52.2 % of examined children had immediate verbal memory
at the fourth level which implies they were able to repeat after examiner
simple sentences which contain subject and predicate, while some of
them have sentence structure with auxiliary verb. Achieved levels of short
term verbal memory are discussed in relation to children age and primary
diagnosis.",
publisher = "Drustvo defektologa Srbije, Univerzitet u Beogradu – Fakultet za specijalnu edukaciju i rehabilitaciju (ICF)",
journal = "Beogradska defektološka škola",
title = "Neposredna verbalna memorija Kod dece sa disfazijom, Short-term verbal memory in children with speech And language impairment",
pages = "638-627",
number = "3",
volume = "20",
url = "https://hdl.handle.net/21.15107/rcub_rfasper_3668"
}

Bogavac, I., Jeličić Dobrijević, L.,& Rakonjac, M.. (2014). Neposredna verbalna memorija Kod dece sa disfazijom. in Beogradska defektološka škola
Drustvo defektologa Srbije., 20(3), 627-638.
https://hdl.handle.net/21.15107/rcub_rfasper_3668

Bogavac I, Jeličić Dobrijević L, Rakonjac M. Neposredna verbalna memorija Kod dece sa disfazijom. in Beogradska defektološka škola. 2014;20(3):627-638.
https://hdl.handle.net/21.15107/rcub_rfasper_3668 .

Bogavac, Ivana, Jeličić Dobrijević, Ljiljana, Rakonjac, Marijana, "Neposredna verbalna memorija Kod dece sa disfazijom" in Beogradska defektološka škola, 20, no. 3 (2014):627-638,
https://hdl.handle.net/21.15107/rcub_rfasper_3668 .

TY  - JOUR
AU  - Bogavac, Ivana
AU  - Jeličić Dobrijević, Ljiljana
AU  - Vujović, Marina
PY  - 2014
UR  - http://rfasper.fasper.bg.ac.rs/handle/123456789/3653
AB  - Speech and language development is influenced by multiple factors and depends
on interaction between biological bases and environmental influences.
Developmental process of voices pronunciation acquisition is a part of speech and
language development. Various risk factors during labor and after the birth, besides
risk factors present during the pregnancy, may have a negative influence on
early child development including the process of speech and language acquisition.
Research aim was to determine in what extend are present different perinatal and
postnatal risk factors in children who have developmental articulation disorders.
The research was conducted in Institute for experimental phonetics and speech pathology
(IEPSP) in Belgrade. It included a group of 215 children (118 boys and 97
girls) at the age between 3 and 9 years who have diagnoses of developmental articulation
disorder (Dyslalia-F80.0) according to estimation by IEPSP Test Battery. All
children were on continuous audio-linguistic treatment. Methodology procedures
included the elaboration of case-history files and medical reports from maternity
hospital which refer to presence of risk factors before, during and after the birth.
Research results showed that perinatal and postnatal risk factors may be in relation
with developmental articulation disorders and were discussed according to their
frequency in relation to articulation disorders.
AB  - Razvoj govora i jezika se odvija pod dejstvom mnogobrojnih fak- tora i zavisi od interakcije biološke osnove i sredinskih uticaja. Razvojni proces usvajanja glasova je važan segment govorno-jezičkog razvoja. Različiti riziko faktori prisutni tokom trudnoće, na samom porođaju kao i u periodu posle rođenja deteta mogu nepovoljno utica- ti na sve segmente ranog razvoja deteta, uključujući i proces usvajanja govora i jezika. Cilj rada je utvrđivanje učestalosti određenih pe- rinatalnih i prenatalnih riziko faktora kod dece sa razvojnim po- remećajima artikulacije. Istraživanje je sprovedeno u Institutu za eksperimentalnu fontiku i patologiju govora (IEFPG) u Beogradu. Ispitivana grupa je obuhvatila 215 dece (118 dečaka i 97 devojčica) uzrasta od 3 do 9 godina starosti, koja su imala dijagnozu poremećaja artikulacije (Dyslalia – F80.0) prema proceni putem Baterije testova IEFPG-a. Sva deca su bila na kontinuiranom logopedskom tretmanu. Metodološka procedura je obuhvatila detaljan pregled kartona dece kao i otpusnih lista za novorođenčad na osnovu kojeg su registrovani riziko faktori prisutni pre, tokom i nakon porođaja. Rezultati is- traživanja su pokazali da se perinatalni i postnatalni riziko fak- tori mogu dovesti u vezu sa razvojnim poremećajima artikulacije, a diskutuju se u odnosu na artikulacioni poremećaj kao i njihovu učest- alost pojavljivanja.
PB  - Drustvo defektologa Srbije
PB  - Univerzitet u Beogradu – Fakultet za specijalnu edukaciju i rehabilitaciju (ICF)
T2  - Beogradska defektološka škola
T1  - Risk factors associated with developmental Articulation disorders
T1  - Učestalost riziko faktora kod dece sa poremećajem artikulacije
EP  - 126
IS  - 1
SP  - 119
VL  - 20
UR  - https://hdl.handle.net/21.15107/rcub_rfasper_3653
ER  - 

@article{
author = "Bogavac, Ivana and Jeličić Dobrijević, Ljiljana and Vujović, Marina",
year = "2014",
abstract = "Speech and language development is influenced by multiple factors and depends
on interaction between biological bases and environmental influences.
Developmental process of voices pronunciation acquisition is a part of speech and
language development. Various risk factors during labor and after the birth, besides
risk factors present during the pregnancy, may have a negative influence on
early child development including the process of speech and language acquisition.
Research aim was to determine in what extend are present different perinatal and
postnatal risk factors in children who have developmental articulation disorders.
The research was conducted in Institute for experimental phonetics and speech pathology
(IEPSP) in Belgrade. It included a group of 215 children (118 boys and 97
girls) at the age between 3 and 9 years who have diagnoses of developmental articulation
disorder (Dyslalia-F80.0) according to estimation by IEPSP Test Battery. All
children were on continuous audio-linguistic treatment. Methodology procedures
included the elaboration of case-history files and medical reports from maternity
hospital which refer to presence of risk factors before, during and after the birth.
Research results showed that perinatal and postnatal risk factors may be in relation
with developmental articulation disorders and were discussed according to their
frequency in relation to articulation disorders., Razvoj govora i jezika se odvija pod dejstvom mnogobrojnih fak- tora i zavisi od interakcije biološke osnove i sredinskih uticaja. Razvojni proces usvajanja glasova je važan segment govorno-jezičkog razvoja. Različiti riziko faktori prisutni tokom trudnoće, na samom porođaju kao i u periodu posle rođenja deteta mogu nepovoljno utica- ti na sve segmente ranog razvoja deteta, uključujući i proces usvajanja govora i jezika. Cilj rada je utvrđivanje učestalosti određenih pe- rinatalnih i prenatalnih riziko faktora kod dece sa razvojnim po- remećajima artikulacije. Istraživanje je sprovedeno u Institutu za eksperimentalnu fontiku i patologiju govora (IEFPG) u Beogradu. Ispitivana grupa je obuhvatila 215 dece (118 dečaka i 97 devojčica) uzrasta od 3 do 9 godina starosti, koja su imala dijagnozu poremećaja artikulacije (Dyslalia – F80.0) prema proceni putem Baterije testova IEFPG-a. Sva deca su bila na kontinuiranom logopedskom tretmanu. Metodološka procedura je obuhvatila detaljan pregled kartona dece kao i otpusnih lista za novorođenčad na osnovu kojeg su registrovani riziko faktori prisutni pre, tokom i nakon porođaja. Rezultati is- traživanja su pokazali da se perinatalni i postnatalni riziko fak- tori mogu dovesti u vezu sa razvojnim poremećajima artikulacije, a diskutuju se u odnosu na artikulacioni poremećaj kao i njihovu učest- alost pojavljivanja.",
publisher = "Drustvo defektologa Srbije, Univerzitet u Beogradu – Fakultet za specijalnu edukaciju i rehabilitaciju (ICF)",
journal = "Beogradska defektološka škola",
title = "Risk factors associated with developmental Articulation disorders, Učestalost riziko faktora kod dece sa poremećajem artikulacije",
pages = "126-119",
number = "1",
volume = "20",
url = "https://hdl.handle.net/21.15107/rcub_rfasper_3653"
}

Bogavac, I., Jeličić Dobrijević, L.,& Vujović, M.. (2014). Risk factors associated with developmental Articulation disorders. in Beogradska defektološka škola
Drustvo defektologa Srbije., 20(1), 119-126.
https://hdl.handle.net/21.15107/rcub_rfasper_3653

Bogavac I, Jeličić Dobrijević L, Vujović M. Risk factors associated with developmental Articulation disorders. in Beogradska defektološka škola. 2014;20(1):119-126.
https://hdl.handle.net/21.15107/rcub_rfasper_3653 .

Bogavac, Ivana, Jeličić Dobrijević, Ljiljana, Vujović, Marina, "Risk factors associated with developmental Articulation disorders" in Beogradska defektološka škola, 20, no. 1 (2014):119-126,
https://hdl.handle.net/21.15107/rcub_rfasper_3653 .

TY  - JOUR
AU  - Vojnović, Milan
AU  - Bogavac, Ivana
AU  - Jeličić Dobrijević, Ljiljana
PY  - 2014
UR  - https://www.casopis.fasper.bg.ac.rs/
UR  - http://rfasper.fasper.bg.ac.rs/handle/123456789/3400
AB  - e main problems in the analysis of vowels which occur in prelingual
speech phase are centralization of utterance and unknown dimension
of vocal tract. Most researches in this  eld are based on the analysis of
maximal vowel space (MVS) because discrimination of vowels is very
di cult in this early period. MVS analysis includes the estimation of vocal
tract (VT) physical dimensions.  e aim of this research was to estimate
and de ne changes in vowel pronunciation during prelingual speech
phase.  e analysis and voice recording were performed in a two month
old child until he turned one.  e recording was performed in 42 sessions,
on average 4 sessions every month. Sound segments that look like vowel
pronunciation were extracted from the recordings and were used for the
formant frequencies estimation by PRAAT so ware.  e Burg method
was used for formant frequency estimation. Research results showed
that MVS can be used in diagnostic procedure from a child’s earliest age.
MVS analysis is appropriate for a child’s earliest age as a child needs to
pronounce individual phonemes, and does not need to respond to speech
stimuli.  ese results need to be con rmed on a larger sample when
extended analysis should de ne criteria for discrimination of typical and
atypical formant frequencies.
AB  - Glavni problemi pri analizi vokala koji se javljaju u prelingvalnoj fazi
su centralizacija izgovora i nepoznate dimenzije vokalnog trakta. Većina
istraživača u ovoj oblasti bazira analizu na maksimalnom opsegu vokala
(MOV) jer je njihova diskriminacija otežana kod dece na najranijem
uzrastu. Analiza MOV uključuje estimaciju  zičkih dimenzija vokalnog
trakta (VT). Cilj istraživanja je da se utvrde i de nišu promene pri izgovoru
vokala tokom prelingvalne faze. Snimanje i analiza su urađeni tokom prve
godine života (od drugog do dvanaestog meseca). Snimanje je obavljeno
u 42 sesije, u proseku 4 sesije u mesecu. Zvučni segmenti koji su ličili na
izgovor vokala su izolovani i korišćeni pri estimaciji u PRAAT so*veru.
Za estimaciju formantnih frekvencija korišćen je Burgov metod. Rezultati
ukazuju da se MOV analiza može koristiti na najranijem uzrastu jer nije
neophodno da dete odgovara na dati stimulus. Ovaj rezultat treba potvrditi
na većem uzorku, pri čemu bi proširena analiza de nisala i kriterijume za
diskriminaciju tipičnih i atipičnih formantnih frekvencija.
PB  - Univerzitet u Beogradu - Fakultet za specijalnu edukaciju i rehabilitaciju
T2  - Specijalna edukacija i rehabilitacija
T1  - MVS Method in Analysis of Vowels in Prelingual Speech Phase
T1  - Metod maksimalnog opsega vokala u analizi vokala tokom prelingvalne faze
IS  - 2
SP  - 213
VL  - 13
VL  - 234
DO  - 10.5937/specedreh13-6038
ER  - 

@article{
author = "Vojnović, Milan and Bogavac, Ivana and Jeličić Dobrijević, Ljiljana",
year = "2014",
abstract = "e main problems in the analysis of vowels which occur in prelingual
speech phase are centralization of utterance and unknown dimension
of vocal tract. Most researches in this  eld are based on the analysis of
maximal vowel space (MVS) because discrimination of vowels is very
di cult in this early period. MVS analysis includes the estimation of vocal
tract (VT) physical dimensions.  e aim of this research was to estimate
and de ne changes in vowel pronunciation during prelingual speech
phase.  e analysis and voice recording were performed in a two month
old child until he turned one.  e recording was performed in 42 sessions,
on average 4 sessions every month. Sound segments that look like vowel
pronunciation were extracted from the recordings and were used for the
formant frequencies estimation by PRAAT so ware.  e Burg method
was used for formant frequency estimation. Research results showed
that MVS can be used in diagnostic procedure from a child’s earliest age.
MVS analysis is appropriate for a child’s earliest age as a child needs to
pronounce individual phonemes, and does not need to respond to speech
stimuli.  ese results need to be con rmed on a larger sample when
extended analysis should de ne criteria for discrimination of typical and
atypical formant frequencies., Glavni problemi pri analizi vokala koji se javljaju u prelingvalnoj fazi
su centralizacija izgovora i nepoznate dimenzije vokalnog trakta. Većina
istraživača u ovoj oblasti bazira analizu na maksimalnom opsegu vokala
(MOV) jer je njihova diskriminacija otežana kod dece na najranijem
uzrastu. Analiza MOV uključuje estimaciju  zičkih dimenzija vokalnog
trakta (VT). Cilj istraživanja je da se utvrde i de nišu promene pri izgovoru
vokala tokom prelingvalne faze. Snimanje i analiza su urađeni tokom prve
godine života (od drugog do dvanaestog meseca). Snimanje je obavljeno
u 42 sesije, u proseku 4 sesije u mesecu. Zvučni segmenti koji su ličili na
izgovor vokala su izolovani i korišćeni pri estimaciji u PRAAT so*veru.
Za estimaciju formantnih frekvencija korišćen je Burgov metod. Rezultati
ukazuju da se MOV analiza može koristiti na najranijem uzrastu jer nije
neophodno da dete odgovara na dati stimulus. Ovaj rezultat treba potvrditi
na većem uzorku, pri čemu bi proširena analiza de nisala i kriterijume za
diskriminaciju tipičnih i atipičnih formantnih frekvencija.",
publisher = "Univerzitet u Beogradu - Fakultet za specijalnu edukaciju i rehabilitaciju",
journal = "Specijalna edukacija i rehabilitacija",
title = "MVS Method in Analysis of Vowels in Prelingual Speech Phase, Metod maksimalnog opsega vokala u analizi vokala tokom prelingvalne faze",
number = "2",
pages = "213",
volume = "13, 234",
doi = "10.5937/specedreh13-6038"
}

Vojnović, M., Bogavac, I.,& Jeličić Dobrijević, L.. (2014). MVS Method in Analysis of Vowels in Prelingual Speech Phase. in Specijalna edukacija i rehabilitacija
Univerzitet u Beogradu - Fakultet za specijalnu edukaciju i rehabilitaciju., 13(2), 213.
https://doi.org/10.5937/specedreh13-6038

Vojnović M, Bogavac I, Jeličić Dobrijević L. MVS Method in Analysis of Vowels in Prelingual Speech Phase. in Specijalna edukacija i rehabilitacija. 2014;13(2):213.
doi:10.5937/specedreh13-6038 .

Vojnović, Milan, Bogavac, Ivana, Jeličić Dobrijević, Ljiljana, "MVS Method in Analysis of Vowels in Prelingual Speech Phase" in Specijalna edukacija i rehabilitacija, 13, no. 2 (2014):213,
https://doi.org/10.5937/specedreh13-6038 . .