Attentional subprocesses in typical and atypically developing children as revealed using brain electrical activity
Julkaistu sarjassa
JYU dissertationsPäivämäärä
2021Tekijänoikeudet
© The Author & University of Jyväskylä
Visual attention identifies and extracts relevant information from visual inputs and
inhibits irrelevant information. Attention Network Theory proposes three functional
subprocesses known as alerting, orienting, and inhibition. The aim of this dissertation is
to investigate neural signatures, using electroencephalography (EEG) and brain eventrelated
potentials (ERPs), of these attentional subprocesses in typically developing
school-aged children, children with attentional problems (AP), and children with
reading difficulties (RD) during the Attention Network Test (ANT). Study I aimed to
investigate the reaction time (RT) performance, the target-related N1 amplitude
associated with alerting and orienting, and the P3 associated with inhibition
subprocesses, and to disentangle the neuronal sources related to these subprocesses of
the attention network in typically developing children. RT performance in children was
similar to typical ANT RT performance. The modulation of N1 amplitude for alerting
and orienting subprocesses reflected the enhanced processing of the target stimulus
followed by warning and spatial cues, respectively. The P3 amplitude modulation
reflected the discriminability of the target stimulus from its flankers. Source-level
analysis revealed reduced top-down control in children, compared to what is typically
found in adults, for alerting and orienting subprocesses, evidenced by a lack of
frontoparietal network activation. Study II evaluated how the attentional subprocesses
differ in children with learning problems, i.e. attentional problems (AP) or reading
difficulties (RD). The results of Study II did not show any differences in the RT
performance and in the field potentials of ERPs between control children and children
with learning problems. Neuronal source analysis of ERPs showed that children with
AP had enhanced activity in the left occipital lobe compared to control and RD groups
for the alerting network. The control children showed lower activity in the left occipital
lobe compared to the AP and RD groups for the orienting network. This suggests a
differential underlying functioning of attentional subprocesses in AP and RD children.
Study III investigated the time-frequency power spectrum of ERPs in control children
performing ANT. The results of Study III illustrated the different underlying spectral
power mechanisms for attentional subprocesses in children. Overall, the findings of this
dissertation confirm previous behavioural and ERP findings in children during ANTtask
and, expand on these results by demonstrating atypical attentional subprocesses in
children with AP and RD. In addition, the dissertation provides new knowledge of the
neuronal sources and time-frequency indices of the attentional subprocesses to the
growing body of literature on the attention network in children.
Keywords: attentional network, EEG, children, attentional problems, reading difficulties,
source analysis, time-frequency analysis
...
Julkaisija
Jyväskylän yliopistoISBN
978-951-39-8542-4ISSN Hae Julkaisufoorumista
2489-9003Julkaisuun sisältyy osajulkaisuja
- Artikkeli I: Santhana Gopalan, P. R., Loberg, O., Hämäläinen, J., & Leppänen, P. H. T. (2019). Attentional processes in typically developing children as revealed using brain event-related potentials and their source localization in Attention Network Test. Scientific Reports, 9, 2940. DOI: 10.1038/s41598-018-36947-3
- Artikkeli II: Santhana Gopalan, P. R., Loberg, O., Lohvansuu, K., McCandliss, B., Hämäläinen, J., Leppänen, P. (2020). Attentional Processes in Children With Attentional Problems or Reading Difficulties as Revealed Using Brain Event-Related Potentials and Their Source Localization. Frontiers in Human Neuroscience, 14, 160. DOI: 10.3389/fnhum.2020.00160
- Artikkeli III: Santhana Gopalan, P. R., Loberg, O., Hämäläinen, J.A., & Leppänen, P. H. T. (2021). Time-frequency analysis of attentional subprocesses in typically developing children. Submitted manuscript.
Asiasanat
Metadata
Näytä kaikki kuvailutiedotKokoelmat
- JYU Dissertations [836]
- Väitöskirjat [3546]
Lisenssi
Samankaltainen aineisto
Näytetään aineistoja, joilla on samankaltainen nimeke tai asiasanat.
-
Attentional Processes in Children With Attentional Problems or Reading Difficulties as Revealed Using Brain Event-Related Potentials and Their Source Localization
Santhana Gopalan, Praghajieeth Raajhen; Loberg, Otto; Lohvansuu, Kaisa; McCandliss, Bruce; Hämäläinen, Jarmo; Leppänen, Paavo (Frontiers Media, 2020)Visual attention-related processes include three functional sub-processes: alerting, orienting, and inhibition. We examined these sub-processes using reaction times, event-related potentials (ERPs), and their neuronal ... -
The Neuronal Source Activations Measured During ANT and Online Source Credibility Evaluation Skills of Sixth Graders with Typical Development, Reading Difficulties and Attentional Problems.
Uusitorppa, Senni (2023)Tarkkaavuuden vaikeuksia on todettu esiintyvän sekä tarkkaavuuspulmaisilla että lukivaikeuksisilla lapsilla. Pulmat tarkkaavuudessa voivat olla eri mekanismien kautta yhteydessä myös luetun ymmärtämisen vaikeuksiin, minkä ... -
Attentional processes in typically developing children as revealed using brain event-related potentials and their source localization in Attention Network Test
Santhana Gopalan, Praghajieeth Raajhen; Loberg, Otto; Hämäläinen, Jarmo; Leppänen, Paavo H.T. (Nature Publishing Group, 2019)Attention-related processes include three functional sub-components: alerting, orienting, and inhibition. We investigated these components using EEG-based, brain event-related potentials and their neuronal source activations ... -
Intergenerational Transmission of Dyslexia : How do Different Identification Methods of Parental Difficulties Influence the Conclusions Regarding Children's Risk for Dyslexia?
Khanolainen, Daria; Salminen, Jenni; Eklund, Kenneth; Lerkkanen, Marja‐Kristiina; Torppa, Minna (John Wiley & Sons, 2023)By investigating children whose parents have dyslexia, family risk (FR) studies are expanding our understanding of the intergenerational transmission of dyslexia. These studies, however, vary in their identification of FR, ... -
Auditory P3a response to native and foreign speech in children with or without attentional deficit
Azaiez, Najla; Loberg, Otto; Hämäläinen, Jarmo A.; Leppänen, Paavo H.T. (Elsevier, 2023)The aim of this study was to investigate the attentional mechanism in speech processing of native and foreign language in children with and without attentional deficit. For this purpose, the P3a component, cognitive ...
Ellei toisin mainittu, julkisesti saatavilla olevia JYX-metatietoja (poislukien tiivistelmät) saa vapaasti uudelleenkäyttää CC0-lisenssillä.