kpnl:acq_day_procedures
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kpnl:acq_day_procedures [2022/05/08 08:58] – [When the Participant Arrives] labuser | kpnl:acq_day_procedures [2022/05/08 09:09] (current) – [After Experimental Session Is Complete] labuser | ||
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- | ====== Prior to participant arrival | + | ====== Prior to Participant Arrival |
* Swap out the amplifier battery with the fully charged battery on the charger | * Swap out the amplifier battery with the fully charged battery on the charger | ||
* Confirm that headcaps and electrodes are clean and dry | * Confirm that headcaps and electrodes are clean and dry | ||
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* Determining proper head cap size: measure in cm | * Determining proper head cap size: measure in cm | ||
- | * Measure head circumference just above the eyebrows and over the inion | + | * Measure head circumference just above the eyebrows and over the inion (the projecting occipital bone at the base of the skull) |
* 54-58 cm: Medium Cap (RED) | * 54-58 cm: Medium Cap (RED) | ||
* 56-60 cm: Medium/ | * 56-60 cm: Medium/ | ||
* 58-62 cm: Large Cap (BLUE) | * 58-62 cm: Large Cap (BLUE) | ||
- | * Apply external electrodes | + | * Apply external electrodes |
* Be sure the electrode collars are not covering the active part of the electrode | * Be sure the electrode collars are not covering the active part of the electrode | ||
* Reference | * Reference | ||
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* Double check that the cap is still straight now that you’ve made your adjustments | * Double check that the cap is still straight now that you’ve made your adjustments | ||
* Ensure that the cap’s tag at the O1, Oz, O2 electrodes is pulled out | * Ensure that the cap’s tag at the O1, Oz, O2 electrodes is pulled out | ||
- | * Steps for the EEG digitization process can be found at this link: https:// | + | * Steps for the EEG digitization process can be found at this link: [[ https:// |
* Apply gel to cap electrode holders | * Apply gel to cap electrode holders | ||
* Build columns of gel: fill from syringe, move hair around | * Build columns of gel: fill from syringe, move hair around | ||
* If participant is bald or has very short hair, start with minimal gel to avoid pooling | * If participant is bald or has very short hair, start with minimal gel to avoid pooling | ||
- | * Insert electrodes into cap | + | * Insert electrodes into cap (carefully |
- | * Be very careful | + | * Wrap CMS/DRL three or four times around ribbon cables & EX leads (and secure |
- | * Wrap CMS/DRL three or four times around ribbon cables & EX leads | + | |
- | * Secure | + | |
* Bring the participant into VERONICA | * Bring the participant into VERONICA | ||
====== Electrode Testing ====== | ====== Electrode Testing ====== | ||
- | * Attach the ribbon cables and EX leads to the amplifier | + | * Attach the ribbon cables and EX leads to the amplifier |
- | * Be mindful of correctly | + | |
* Attach the battery to the amplifier and turn on the power | * Attach the battery to the amplifier and turn on the power | ||
* Ensure the amplifier’s solid blue light is on indicating '' | * Ensure the amplifier’s solid blue light is on indicating '' | ||
* Select the '' | * Select the '' | ||
* Check all 64 channels and also EX 1-6 | * Check all 64 channels and also EX 1-6 | ||
- | * Electrodes should be should be between +/- 40 mV and not bouncing up and down | + | * Electrodes should be should be ideally |
* If electrode is outside of range: | * If electrode is outside of range: | ||
* Try adding a bit more gel and parting hair with the syringe | * Try adding a bit more gel and parting hair with the syringe | ||
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* Recording EEG data - START | * Recording EEG data - START | ||
* Most of our experiments will automatically trigger the '' | * Most of our experiments will automatically trigger the '' | ||
- | * If you are running an experiment that does not automatically trigger EEG recording (unlikely), you would press the '' | + | * Note: If you are running an experiment that does not automatically trigger EEG recording (unlikely), you would press the '' |
* Recording EEG data – STOP | * Recording EEG data – STOP | ||
* Most of our experiments will automatically pause EEG data recording when the experiment is over. However, you still need to terminate the session (i.e., close the file) | * Most of our experiments will automatically pause EEG data recording when the experiment is over. However, you still need to terminate the session (i.e., close the file) | ||
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* Take picture of participant with the cap on (if they’d like one) | * Take picture of participant with the cap on (if they’d like one) | ||
* Remember to email this picture and a screenshot of their EEG to the participant | * Remember to email this picture and a screenshot of their EEG to the participant | ||
- | * Carefully remove all of the EX electrodes | + | * Carefully remove all of the EX electrodes |
- | * Carefully remove the cap | + | |
* Give the participant paper towels and allow them to clean up | * Give the participant paper towels and allow them to clean up | ||
* On the display and acquisition computers: | * On the display and acquisition computers: | ||
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* Debrief the participant | * Debrief the participant | ||
* Tell them the goal of the studies that were run and give them the opportunity to ask any questions that they have | * Tell them the goal of the studies that were run and give them the opportunity to ask any questions that they have | ||
- | * Log the completion time | + | * Log the completion time in the Excel spreadsheet |
- | * Compensate | + | * Compensate the participant (and have them sign the Payment Verification form) |
- | * If money, pay them and have them sign the Payment Verification form | + | * Note: Email Prof. Engell if we are low on any forms or subject payment funds (< $80) |
- | * If '' | + | |
- | * Email Prof. Engell if we are low on any forms or subject payment funds (< $80) | + | |
* Mount the '' | * Mount the '' | ||
* Enter your handwritten run sheet and notes into the Excel file | * Enter your handwritten run sheet and notes into the Excel file | ||
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* Save the Excel file | * Save the Excel file | ||
* Unmount the '' | * Unmount the '' | ||
- | * Turn OFF the intercoms | + | * Turn OFF the intercoms |
- | * Press and hold the '' | + | |
- | * Turn off lights and fan in VERONICA | + | |
kpnl/acq_day_procedures.1652018332.txt.gz · Last modified: 2022/05/08 08:58 by labuser