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Begum
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Mild auditory cognitive impairment in mid trimester pregnancy |
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Tahamina Begum1*, Faruque Reza1, Wan Rosilawati Wan Rosli2 and Wan Nor Azlen Wan Mohamad1 |
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1Department
of Neurosciences, School of Medical Sciences, Universiti Sains
Malaysia, 16150 Kubang Kerian, Kota Bharu, Kelantan, Malaysia. Accepted May 15, 2016 |
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Abstract |
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We aimed to
investigate auditory cognitive and behavioral functions during
mid trimester pregnancy using Event-Related Potentials (ERPs)
and neuropsychological tests, respectively. ERPs were studied by
using 128-sensor net and PAS, WCST, RAVLTIM, RAVLTDR and RAVLTTS
were tested for neuropsychology assessment. Total 18 subjects
were recruited (n=9 in each group; control and pregnant group;
16-27 weeks). Auditory oddball paradigm was used during ERP
study. Subjects counted silently only target stimuli with giving
attention by ignoring standard stimuli. Value of the mean
differences of the target and standard stimuli were measured
across groups in six locations. The N100 and The P300 ERP
components were recorded at T3, T4, T5, T6, Cz and Pz electrode
sites. Higher amplitudes (4/6) and prolonged latencies (4/6) of
the N100 component were found. Shorter amplitudes (1/6) and
longer latencies (3/6) of the P300 component were found in the
pregnant group compared to the control group. No significant
difference in scores of PAS, WCST, RAVLTDR and RAVLTTS among
both groups. Significantly higher RAVLTIM was observed in
pregnant group. We concluded that there is mild auditory
cognitive impairment during second trimester pregnancy without
any deficit in executive function and auditory memory. |
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