A Functional Near-Infrared Spectroscopy Study of State Anxiety and Auditory Working Memory Load

Yi Li Tseng, Chia Feng Lu, Shih Min Wu, Sotaro Shimada, Ting Huang, Guan Yi Lu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Cognitive studies have suggested that anxiety is correlated with cognitive performance. Previous research has focused on the relationship between anxiety level and the perceptual load within the frontal region, such as the dorsolateral prefrontal and anterior cingulate cortices. High-anxious individuals are predicted to have worse performance on cognitively-demanding tasks requiring efficient cognitive processing. A few functional magnetic resonance imaging studies have specifically discussed the performance and brain activity involving working memory for high-anxious individuals. This topic has been further explored with electroencephalography, although these studies have mostly provided results involving visual face-related stimuli. In this study, we used auditory stimulation to manipulate the working memory load and attempted to interpret the deficiency of cognitive function in high-anxious participants or patients using functional near infrared spectroscopy (fNIRS). The fNIRS signals of 30 participants were measured while they were performing an auditory working memory task. For the auditory n-back task, there were three experimental conditions, including two n-back task conditions of stimuli memorization with different memory load and a condition of passive listening to the stimuli. Hemodynamic responses from frontal brain regions were recorded using a wireless fNIRS device. Brain activation from the ventrolateral and orbital prefrontal cortex were measured with signals filtered and artifacts removed. The fNIRS signals were then standardized with statistical testing and group analysis was performed. The results revealed that there were significantly stronger hemodynamic responses in the right ventrolateral and orbital prefrontal cortex when subjects were attending to the auditory working memory task with higher load. Furthermore, the right lateralization of the prefrontal cortex was negatively correlated with the level of state anxiety. This study revealed the possibility of incorporating fNIRS signals as an index to evaluate cognitive performance and mood states given its flexibility regarding portable applications compared to other neuroimaging techniques.

Original languageEnglish
Article number313
JournalFrontiers in Human Neuroscience
Volume12
DOIs
Publication statusPublished - Aug 7 2018
Externally publishedYes

Fingerprint

Near-Infrared Spectroscopy
Prefrontal Cortex
Short-Term Memory
Anxiety
Acoustic Stimulation
Gyrus Cinguli
Brain
Neuroimaging
Artifacts
Cognition
Electroencephalography
Hemodynamics
Magnetic Resonance Imaging
Equipment and Supplies
Research

Keywords

  • Auditory working memory
  • Functional near-infrared spectroscopy (fNIRS)
  • Memory load
  • Prefrontal cortex (PFC)
  • State anxiety

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Neurology
  • Psychiatry and Mental health
  • Biological Psychiatry
  • Behavioral Neuroscience

Cite this

A Functional Near-Infrared Spectroscopy Study of State Anxiety and Auditory Working Memory Load. / Tseng, Yi Li; Lu, Chia Feng; Wu, Shih Min; Shimada, Sotaro; Huang, Ting; Lu, Guan Yi.

In: Frontiers in Human Neuroscience, Vol. 12, 313, 07.08.2018.

Research output: Contribution to journalArticle

Tseng, Yi Li ; Lu, Chia Feng ; Wu, Shih Min ; Shimada, Sotaro ; Huang, Ting ; Lu, Guan Yi. / A Functional Near-Infrared Spectroscopy Study of State Anxiety and Auditory Working Memory Load. In: Frontiers in Human Neuroscience. 2018 ; Vol. 12.
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