AN INTEGRATED MODEL BASED ON THE QEEG INDEX, AGE AND COGNITIVE FUNCTION FOR CORTISOL LEVEL ESTIMATION IN ELDERLY PEOPLE

Journal Title: Acta Neuropsychologica - Year 2019, Vol 17, Issue 2

Abstract

Cortisol is known to be correlated with cognition, aging, and quantitative electroencephalography (QEEG), although these factors have not yet been reported. This study aimed to evaluate an integrated model for estimating cortisol levels in elderly people.<br/><br/>Sixty-four participants were included. Saliva cortisol levels were measured by enzyme-linked immunosorbent assay (ELISA). Cognitive function was assessed by the Montreal Cognitive Assessment (MoCA). EEG recording was performed during the eyes-opened resting state condition. QEEG in five frequency bands and ten ratios were analyzed. Stepwise multiple linear regression was used to estimate cortisol levels based on the QEEG index, age and cognitive function.<br/><br/>The first model using the QEEG index estimated cortisol levels with an accuracy of 15.4%. The second model based on the QEEG index and age estimated cortisol levels with an accuracy of 24.3%. The third model based on the QEEG index and cognitive impairment estimated cortisol levels with an accuracy of 20.2%. The fourth model yielded the best results, estimating cortisol levels with an accuracy of 30.8%; this model was based on age, delayed recall and the QEEG index of the beta/high beta band at the central region and the delta/beta band at the left temporal region<br/><br/>An integrated model of the QEEG index, age and delayed recall can be used to estimate cortisol levels in elderly people, which could be possibly used to predict physiological and psychiatric changes in humans.<br/><br/>

Authors and Affiliations

Watchara Sroykham, Yodchanan Wongsawat

Keywords

Related Articles

Neurocognitive implications of congenital heart diseases in adolescents

The study of neurocognitive functions in the context of congenital heart disease (CHD) is a field of recognized importance, due to its implications for the psychoeducational de­ve­lopment of young people. The goal of our...

ANALYSIS OF BRAIN ACTIVATION IN TEENAGERS WITH ISOLATED DYSORTHOGRAPHY (SPELLING DISORDER) AND GOOD SPELLERS DURING A SPELLING ASSESSMENT TASK

There has been little research on the neural correlates of writing in children and teenagers. The purpose of the present study was to describe brain activation in a group of teenagers with isolated dysorthograph...

REY AUDITORY VERBAL LEARNING TEST AS A TOOL FOR DIAGNOSIS OF MILD COGNITIVE IMPAIRMENT

[b]Background.[/b] Previous research suggests that patients with Alzheimer's disease (AD) manifest more false alarm (FA) responses in recognition memory tests than patients with Huntington disease (Delis et al., 1991), m...

A Mother’s perception of triplet siblings. A Case study

Background: The prevalence of triplet pregnancies is estimated to be at about 0.7% of all pregnancies, however, their number is constantly increasing. Deficits of psychomotor development pertain both to premature childre...

Lexical-semantic priming and dementia<br />

Alzheimer’s disease is marked by loss of semantic memory. The neuropsychological experimental task known as priming (wherein recognition or recall is enhanced by prior exposure) is a pure measure of semantic memory. The...

Download PDF file
  • EP ID EP609347
  • DOI -
  • Views 103
  • Downloads 0

How To Cite

Watchara Sroykham, Yodchanan Wongsawat (2019). AN INTEGRATED MODEL BASED ON THE QEEG INDEX, AGE AND COGNITIVE FUNCTION FOR CORTISOL LEVEL ESTIMATION IN ELDERLY PEOPLE. Acta Neuropsychologica, 17(2), 167-177. https://europub.co.uk/articles/-A-609347