What was the experimental protocol?

Relaxation (CS), Relaxation (OS), Study, Interrogation

What did EEG results suggest about brain activity during the testing protocol?

Widespread brain arousal increased during the oral exam phase.

What did the study find regarding LF (Low freq) and HF (High freq) HRV bands during study and interrogation phases?

LF increased in both phases; HF decreased only during studying.

What is a limitation the study acknowledges? (There are two correct answers).

The SDG model used to analyze BHI data is not yet a standardized technique., The multi-system Nautilus cannot account for respiration dynamics.

What did STAI Y1 results indicate?

State anxiety increased upon interacting with the protocol.

What was the inclusion criteria for participation in this study?

Completion of an extensive questionnaire session and no prior medical.

How were EEG and ECG signals recorded?

g-Nautilus 32 Multi-purpose System (gTech, Austria)

What BHI patterns were found for heart-to-brain vs. brain-to-heart?

Heart-to-brain dropped during studying; brain-to-heart dropped during test.

Why do authors suggest more research into brain-to-LF dynamics?

Similar brain-to-LF drops appear in subclinical depression.

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Week 6 Meeting

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Integrative neuro-cardiovascular dynamics in response to test anxiety: A brain-heart axis study https://doi.org/10.1016/j.physbeh.2024.114460

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Questions 10

Answers

1
What was the experimental protocol?
Interrogation, Relaxation (CE), Relaxation (OE), Study
Relaxation (OE), Relaxation (CE), Study, Interrogation
Relaxation (CS), Relaxation (OS), Study, Interrogation
Study, Relaxation (CE), Relaxation (OE), Interrogation
2
For BHI estimation, the Synthetic Data Generation Model (SDG) treats the CNS and ANS as independent systems.
True
False
3
What did EEG results suggest about brain activity during the testing protocol?
Brain activity was unchanged across studying and interrogation.
Only memory-related regions were more active during questioning.
Widespread brain arousal increased during the oral exam phase.
Only small increases in attention were seen during the study phase.
4
What did the study find regarding LF (Low freq) and HF (High freq) HRV bands during study and interrogation phases?
LF and HF both decreased during studying and interrogation phases.
LF increased in both phases; HF decreased only during studying.
No significant changes in HRV bands were found across any phase.
LF and HF both increased during studying and interrogation phases.
5
What is a limitation the study acknowledges? (There are two correct answers).
Some participants indicated consumption of narcotics before participation.
Participants indicated the setting didn't replicate a testing environment.
The SDG model used to analyze BHI data is not yet a standardized technique.
The multi-system Nautilus cannot account for respiration dynamics.
6
What did STAI Y1 results indicate?
State anxiety increased upon interacting with the protocol.
State anxiety fluctuated amongst participants upon protocol interaction.
State anxiety decreased upon interacting with the protocol.
State anxiety did not change upon interacting with the protocol.
7
What was the inclusion criteria for participation in this study?
Prior history of testing anxiety is required.
Completion of an extensive questionnaire session and no prior medical.
Participants must be over 20 years old.
Participant must be a University student.
8
How were EEG and ECG signals recorded?
g-Nautilus 32 Multi-purpose System (gTech, Austria)
g-Nautilus 32 Multi-purpose System (gTech, Austria)
g-Narwhal 32 Cognitive Sensor Platform (gTech, Italy)
g-Narwhal 32 Cognitive Sensor Platform (gTech, Italy)
9
What BHI patterns were found for heart-to-brain vs. brain-to-heart?
Heart-to-brain dropped during studying; brain-to-heart dropped during test.
BHI was strongest during relaxation for both directions.
Brain-to-heart was stable; heart-to-brain dropped in all phases.
Brain-to-heart was strongest during studying.
10
Why do authors suggest more research into brain-to-LF dynamics?
LF disruption causes anxiety-linked speech disfluencies.
Similar brain-to-LF drops appear in subclinical depression.
LF increase predicts panic disorder severity scores.
LF is linked to cognitive ability and test performance.

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