Wafa Farghaly

Assiut University

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Kandil

Assiut University

Hassan

Al-Azhar University

Hamdy N. El-Tallawy

Assiut University

Ahmed Abdelwarith

Aswan University

El Moselhy

Al-Azhar University

Rageh

Assiut University

Hamdy El Tellawy

Neurology, Inc

Shaaban

Assiut University

Reda Badry

Assiut University

Ghaydaa A. Shehata

Assiut University Hospitals

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Assiut University

Al-Azhar University

Neurology, Inc

Sohag University

University of Minnesota

Aswan University

King Saud University

King Khalid University Hospital

King Saud Medical City

Al-Azhar University

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Door-to-door survey of major neurological disorders (project) in Al Quseir City, Red Sea Governorate, Egypt

Neuropsychiatric Disease and Treatment (2013)

Wafa Farghaly Hamdy N. El-Tallawy Rageh Ghaydaa A. Shehata Reda Badry

Abstract: A door-to-door survey, including every household, was conducted for all inhabitants of Al Quseir City (33,283), Red Sea Governorate, Egypt by three specialists of neurology as well as nine senior staff members of neurology and 15 female social workers to assess the epidemiology of major neurological disorders. Over six phases, from July 1, 2009 to January 31, 2012, screening of all eligible people in the population was carried out, by which case ascertainment of all major neurological disorders included in the study was done according to the accepted definitions and diagnostic criteria of the World Health Organization. The order of frequency of prevalence of the studied neurological disorders was dementia (3.83% for those aged > 60 years), migraine (2.8% for those aged > 8 years), stroke (6.2/1000 for those aged > 20 years), epilepsy (5.5/1000), Parkinson's disease (452.1/100,000 for those aged > 40 years), cerebral palsy (3.6/1000 among children < 18 years), spinal cord disorders (63/100,000) dystonia (39.11/100,000), cerebellar ataxia (30.01/100,000), trigeminal neuralgia (28/100,000 for those aged > 37 years), chorea (21.03/100,000), athetosis (15/100,000), and multiple sclerosis (13.74/100,000). The incidence rates of stroke, epilepsy, and Bell's palsy were 181/100,000, 48/100,000, and 98.9/100,000 per year, respectively. Keywords: prevalence, incidence, neurological disorders

10.2147/ndt.s36956

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Impact of nocturnal sleep deprivation on declarative memory retrieval in students at an orphanage: a psychoneuroradiological study

Neuropsychiatric Disease and Treatment (2013)

Hamdy El Tellawy Ahmed Othman Saleh Tantawy Hussein Saleh Farghaly Wafa Farghaly Amr Sayed Ramadan Hussein

This study investigated the effects of sleep deprivation on total and partial (early and late) declarative memory and activation in the areas of the brain involved in these activities. The study included two experiments. Experiment 1 included 40 male residents of an orphanage aged 16-19 years, who were divided into four groups (n = 10 each) and subjected to total sleep deprivation, normal sleep, early-night sleep deprivation, or late-night sleep deprivation. Experiment 2 included eight students from the same institution who were divided into the same four groups (n = 2) as in experiment 1. Declarative memory was tested using lists of associated word pairs in both experiments, and activation of the relevant brain regions was measured before and after retrieval by single-photon emission computed tomography for subjects in experiment 2 only.Students subjected to normal sleep had significantly higher scores for declarative memory retrieval than those subjected to total sleep deprivation (P = 0.002), early-night sleep deprivation (P = 0.005), or late-night sleep deprivation (P = 0.02). The left temporal lobe showed the highest rate of activity during memory retrieval after normal sleep, whereas the frontal, parietal, and right temporal lobes were more active after sleep deprivation.Both slow wave sleep and rapid eye movement sleep play an active role in consolidation of declarative memory, which in turn allows memory traces to be actively reprocessed and strengthened during sleep, leading to improved performance in memory recall.

Sleep

Declarative memory

10.2147/ndt.s38905

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Citations (16)