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Research ArticleOriginal Article
Open Access

Frontal theta/beta ratio changes during TOVA in Egyptian ADHD children

Islam F. Halawa, Basma B. El Sayed, Omnia R. Amin, Nagwa A. Meguid and Ann A. Abdel Kader
Neurosciences Journal October 2017, 22 (4) 287-291; DOI: https://doi.org/10.17712/nsj.2017.4.20170067
Islam F. Halawa
From the Department of Human Genetics (Halawa, Meguid), National Research Center, from the Unit of Clinical Neurophysiology (El Sayed, Kader), and from the Department of Psychiatry (Amin), Cairo University, Cairo, Egypt
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  • For correspondence: [email protected]
Basma B. El Sayed
From the Department of Human Genetics (Halawa, Meguid), National Research Center, from the Unit of Clinical Neurophysiology (El Sayed, Kader), and from the Department of Psychiatry (Amin), Cairo University, Cairo, Egypt
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Omnia R. Amin
From the Department of Human Genetics (Halawa, Meguid), National Research Center, from the Unit of Clinical Neurophysiology (El Sayed, Kader), and from the Department of Psychiatry (Amin), Cairo University, Cairo, Egypt
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Nagwa A. Meguid
From the Department of Human Genetics (Halawa, Meguid), National Research Center, from the Unit of Clinical Neurophysiology (El Sayed, Kader), and from the Department of Psychiatry (Amin), Cairo University, Cairo, Egypt
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Ann A. Abdel Kader
From the Department of Human Genetics (Halawa, Meguid), National Research Center, from the Unit of Clinical Neurophysiology (El Sayed, Kader), and from the Department of Psychiatry (Amin), Cairo University, Cairo, Egypt
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    Figure 1

    Square on the top (GO trials) left, square on the bottom (NO GO trials) right.

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    Figure 2

    Mean Theta/beta ratio in ADHD group (left) and control group (right). Left F-left frontal area, Mid F-mid frontal area, Right F-right frontal area

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    Table 1

    Mean Theta/beta ratio in frontal zones during eye open and C TOVA in ADHD patients and control groups.

    GroupsEye open*TOVA* Mean±SD
    Mid frontal zone
     ADHD4.25±0.574.33±0.61
     Control3.45±0.333.3±0.31
    Right frontal zone
     ADHD4.2±0.574.45±0.61
     Control3.39±0.323.26±0.29
    Left frontal zone
     ADHD4.19±0.564.46±0.62
     Control3.38±0.323.24±0.29
    • TOVA - tests of variance of attention, ADHD - Attention deficit hyperactivity disorder, p-value is <0.0001

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    Table 2

    Multiple comparisons between studied groups (during eye open relaxed state and during performance of TOVA).

    Theta/beta ratioCompared groupsP-value
    Mid Frontal
     ADHD (eye open)Control (eye open)0.000
    ADHD (TOVA)0.365
    Control (TOVA)0.000
     Control (eye open)ADHD (TOVA)0.000
    Control (TOVA)0.128
     ADHD (TOVA)Control (TOVA)0.000
    Right Frontal
     ADHD (eye open)Control (eye open)0.000
    ADHD (TOVA)0.006
    Control (TOVA)0.000
     Control(eye open)ADHD (TOVA)0.000
    Control (TOVA)0.164
     ADHD (TOVA)Control (TOVA)0.000
    Left Frontal
     ADHD(eye open)Control (eye open)0.000
    ADHD (TOVA)0.005
    Control (TOVA)0.000
     Control(eye open)ADHD (TOVA)0.000
    Control (TOVA)0.120
     ADHD (TOVA)Control (TOVA)0.000
    • TOVA - tests of variance of attention, ADHD - attention deficit hyperactivity disorder

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Neurosciences Journal: 22 (4)
Neurosciences Journal
Vol. 22, Issue 4
1 Oct 2017
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Frontal theta/beta ratio changes during TOVA in Egyptian ADHD children
Islam F. Halawa, Basma B. El Sayed, Omnia R. Amin, Nagwa A. Meguid, Ann A. Abdel Kader
Neurosciences Journal Oct 2017, 22 (4) 287-291; DOI: 10.17712/nsj.2017.4.20170067

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Frontal theta/beta ratio changes during TOVA in Egyptian ADHD children
Islam F. Halawa, Basma B. El Sayed, Omnia R. Amin, Nagwa A. Meguid, Ann A. Abdel Kader
Neurosciences Journal Oct 2017, 22 (4) 287-291; DOI: 10.17712/nsj.2017.4.20170067
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