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Impact of obesity on central processing time rather than overall reaction time in young adult men.

Abstract

BACKGROUND AND PURPOSE

The association between weight status with simple cognitive tasks such as reaction time (RT) may not be observed in young people as cognitive functioning development has reached its peak. In the present study, we aimed to examine the association between overall and central adiposity with overall and central processing of RT in a sample of young adult men with different weight status from Ardabil, Iran.

METHODS

Eighty-six young males between June-July 2018 completed RT tests as well as premotor time (PMT) using surface electromyography changes in isometric contraction response to an audio stimulus.

RESULTS

No significant associations were observed between RT and PMT and different body mass index categories (underweight, normal weight, overweight and obese), as well as fat mass and fat to skeletal muscle mass ratio quartiles (Q). However, participants with greater waist to height ratio (WHtR) had longer PMT (but not RT) than their peers with lower WHtR (Q3 than Q2 and Q1 groups; p < 0.05, d = 1.23). Participants in the skeletal muscle mass quartile Q2 tended to have longer RT than participants in Q3 in an adjusted comparison model (p = 0.05, d = 0.72).

CONCLUSIONS

Although the association between weight status and RT might be elusive in young adults, our results show that higher central adiposity is negatively associated with PMT in young adults. Longitudinal studies are needed to explore the changes in obesity indexes and process speed in longer terms.

LEVEL OF EVIDENCE

Level I, experimental study.

Authors+Show Affiliations

Department of Psychology, University of Mohaghegh Ardabili, Ardabil, Iran. narimani@uma.ac.ir.University of Mohaghegh Ardabili, Ardabil, Iran.Active Life Lab, South-Eastern Finland University of Applied Sciences, Mikkeli, Finland.School of Health and Social Care, Teesside University, Middlesbrough, UK.Islamic Azad University Science and Research Branch, Tehran, Iran.University of Mohaghegh Ardabili, Ardabil, Iran.University of Mohaghegh Ardabili, Ardabil, Iran.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31317513

Citation

Narimani, Mohammad, et al. "Impact of Obesity On Central Processing Time Rather Than Overall Reaction Time in Young Adult Men." Eating and Weight Disorders : EWD, 2019.
Narimani M, Esmaeilzadeh S, Pesola AJ, et al. Impact of obesity on central processing time rather than overall reaction time in young adult men. Eat Weight Disord. 2019.
Narimani, M., Esmaeilzadeh, S., Pesola, A. J., Azevedo, L. B., Moradi, A., Heidari, B., & Kashfi-Moghadam, M. (2019). Impact of obesity on central processing time rather than overall reaction time in young adult men. Eating and Weight Disorders : EWD, doi:10.1007/s40519-019-00752-2.
Narimani M, et al. Impact of Obesity On Central Processing Time Rather Than Overall Reaction Time in Young Adult Men. Eat Weight Disord. 2019 Jul 17; PubMed PMID: 31317513.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Impact of obesity on central processing time rather than overall reaction time in young adult men. AU - Narimani,Mohammad, AU - Esmaeilzadeh,Samad, AU - Pesola,Arto J, AU - Azevedo,Liane B, AU - Moradi,Akbar, AU - Heidari,Behrouz, AU - Kashfi-Moghadam,Malahat, Y1 - 2019/07/17/ PY - 2019/04/29/received PY - 2019/07/10/accepted PY - 2019/7/19/pubmed PY - 2019/7/19/medline PY - 2019/7/19/entrez KW - Central obesity KW - Muscle mass KW - Premotor time KW - Reaction time KW - Underweight KW - Young adult males JF - Eating and weight disorders : EWD JO - Eat Weight Disord N2 - BACKGROUND AND PURPOSE: The association between weight status with simple cognitive tasks such as reaction time (RT) may not be observed in young people as cognitive functioning development has reached its peak. In the present study, we aimed to examine the association between overall and central adiposity with overall and central processing of RT in a sample of young adult men with different weight status from Ardabil, Iran. METHODS: Eighty-six young males between June-July 2018 completed RT tests as well as premotor time (PMT) using surface electromyography changes in isometric contraction response to an audio stimulus. RESULTS: No significant associations were observed between RT and PMT and different body mass index categories (underweight, normal weight, overweight and obese), as well as fat mass and fat to skeletal muscle mass ratio quartiles (Q). However, participants with greater waist to height ratio (WHtR) had longer PMT (but not RT) than their peers with lower WHtR (Q3 than Q2 and Q1 groups; p < 0.05, d = 1.23). Participants in the skeletal muscle mass quartile Q2 tended to have longer RT than participants in Q3 in an adjusted comparison model (p = 0.05, d = 0.72). CONCLUSIONS: Although the association between weight status and RT might be elusive in young adults, our results show that higher central adiposity is negatively associated with PMT in young adults. Longitudinal studies are needed to explore the changes in obesity indexes and process speed in longer terms. LEVEL OF EVIDENCE: Level I, experimental study. SN - 1590-1262 UR - https://www.unboundmedicine.com/medline/citation/31317513/Impact_of_obesity_on_central_processing_time_rather_than_overall_reaction_time_in_young_adult_men L2 - https://dx.doi.org/10.1007/s40519-019-00752-2 DB - PRIME DP - Unbound Medicine ER -