biosemi128_channel_info: Channel information for the 128 sensor Biosemi cap
In AndrewHFarkas/EMEGShelper: What the Package Does (One Line, Title Case)
biosemi128_channel_info R Documentation
Channel information for the 128 sensor Biosemi cap
Description
This data frame details the channels and their positions for the 128 channel
Biosemi cap. These positions are inline with the Oostenveld positions taken
from sphere 1 of his blog (https://robertoostenveld.nl/electrode/#aes1994).
These positions are slightly different than the 64 Biosemi channel cap with
each position being slightly closer together.
Usage
biosemi128_channel_info
Format
A data frame with 128 rows and 9 variables:
- actiview
the order in which actiview see the channels
- wired
the wire connected to each channel
- channel_name
actual channel name
- channel_name_uppercase
channel name but all letters are uppercase which can be useful for matching channels as researchers are not always consistent
- X
channel X coordinate with negative values toward the right ear
- Y
channel Y coordinate with positive values toward the nose
- Z
channel Z coordinate with 1 at Cz
- EPosSphere_theta
angle in radians from Cz north pole to south pole with Cz being 0
- EPosSphere_phi
angle in radians from right ear (0) toward nose then left ear continuing until back at right ear
...
AndrewHFarkas/EMEGShelper documentation built on Oct. 20, 2023, 9:57 a.m.
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| biosemi128_channel_info | R Documentation |
Channel information for the 128 sensor Biosemi cap
Description
This data frame details the channels and their positions for the 128 channel Biosemi cap. These positions are inline with the Oostenveld positions taken from sphere 1 of his blog (https://robertoostenveld.nl/electrode/#aes1994). These positions are slightly different than the 64 Biosemi channel cap with each position being slightly closer together.
Usage
biosemi128_channel_info
Format
A data frame with 128 rows and 9 variables:
- actiview
the order in which actiview see the channels
- wired
the wire connected to each channel
- channel_name
actual channel name
- channel_name_uppercase
channel name but all letters are uppercase which can be useful for matching channels as researchers are not always consistent
- X
channel X coordinate with negative values toward the right ear
- Y
channel Y coordinate with positive values toward the nose
- Z
channel Z coordinate with 1 at Cz
- EPosSphere_theta
angle in radians from Cz north pole to south pole with Cz being 0
- EPosSphere_phi
angle in radians from right ear (0) toward nose then left ear continuing until back at right ear
...
R Package Documentation
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