EMG-Cleaning-Tutorial - Versionsgeschichte

Kieckerg am 26. Juli 2014 um 17:56 Uhr

2014-07-26T17:56:17Z

← Nächstältere Version		Version vom 26. Juli 2014, 19:56 Uhr
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	Running the experiment and recording physiology data using Biolab, an event file for each participant is created showing these very markers, as you can see below. It is written out through Biolab and saved in the same folder as the physiological data. An event marker is named: “sync summary event # 2”. The “2” is the marker you have defined in you experiment program.<br /><br />		Running the experiment and recording physiology data using Biolab, an event file for each participant is created showing these very markers, as you can see below. It is written out through Biolab and saved in the same folder as the physiological data. An event marker is named: “sync summary event # 2”. The “2” is the marker you have defined in you experiment program.<br /><br />


	----		----
	==== '''Data aquisition completed: Event-file preparation''' ====		==== '''Data aquisition completed: Event-file preparation''' ====
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	'''REMEMBER, make sure each participant has a physiology file (.mw), a video file (.avi or .mpg) and an event file (.txt).'''<br /><br />		'''REMEMBER, make sure each participant has a physiology file (.mw), a video file (.avi or .mpg) and an event file (.txt).'''<br /><br />


	----		----
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	<br />		<br />

	'''Click ANALYZE.'''		'''Click ANALYZE.'''<br /><br />


	----		----
	==== '''Data output in the progam and Excel''' ====		==== '''Data output in the progam and Excel''' ====
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	Now check the signals of all the channels. If you did not see any artifacts just see the signals and if everything seems OK it is OK! You can press DONE and save the excel file (see later in this manual).<br /><br />		Now check the signals of all the channels. If you did not see any artifacts just see the signals and if everything seems OK it is OK! You can press DONE and save the excel file (see later in this manual).<br /><br />


			----
	==== '''How to deal with artficats''' ====		==== '''How to deal with artficats''' ====

	'''In case you saw possible artifacts''', check the signals of the specific muscles (e.g. orbicularis for a blink) carefully and see where the peak shows and if this matches with the time where you saw the artifact on the video.<br /><br />		'''In case you saw possible artifacts''', check the signals of the specific muscles (e.g. orbicularis for a blink) carefully and see where the peak shows and if this matches with the time where you saw the artifact on the video.<br /><br />

	If you want to clean, that is remove, an artifact, note the time of the artifact and press “Spline Editor” in the top of the screen.<br />		If you want to clean, that is remove, an artifact, note the time of the artifact and press “Spline Editor” in the top of the screen.<br /><br />


			----
	==== '''Cleaning the data: Spline editor''' ====		==== '''Cleaning the data: Spline editor''' ====

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	Now the peak was cut (that’s why the signal goes down). Then press “Done” and it will adjust the Excel file to the edited data.<br /><br />		Now the peak was cut (that’s why the signal goes down). Then press “Done” and it will adjust the Excel file to the edited data.<br /><br />


			----
	==== '''Organisation of the folders''' ====		==== '''Organisation of the folders''' ====

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			----
	==== '''Additional: How to keep an overview of your data cleaning''' ====		==== '''Additional: How to keep an overview of your data cleaning''' ====

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			----
	==== '''Merging''' ====		==== '''Merging''' ====

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	Open a new excel-file and start the Add-in (in Data folder). Here you have to choose the folder location, file-extender (xlsx), the worksheet(s) you want to merge and the range (first cell = first data point). Then you get all data from the specified folder in one excel-sheet. The missing subject number you can extract from the imported file-name.<br /><br />		Open a new excel-file and start the Add-in (in Data folder). Here you have to choose the folder location, file-extender (xlsx), the worksheet(s) you want to merge and the range (first cell = first data point). Then you get all data from the specified folder in one excel-sheet. The missing subject number you can extract from the imported file-name.<br /><br />

			----
	==== '''SPSS''' ====		==== '''SPSS''' ====

	coming soon ...		coming soon ...

Kieckerg am 26. Juli 2014 um 17:51 Uhr

2014-07-26T17:51:17Z

← Nächstältere Version		Version vom 26. Juli 2014, 19:51 Uhr
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	==== '''Before even getting in your first participant: Procedure programming''' ====		==== ''' Before even getting in your first participant: Procedure programming''' ====

	[[Datei:EMGCleanImage1.png\|miniatur\|Image1]]		[[Datei:EMGCleanImage1.png\|miniatur\|Image1]]
Zeile 6:		Zeile 6:

	Running the experiment and recording physiology data using Biolab, an event file for each participant is created showing these very markers, as you can see below. It is written out through Biolab and saved in the same folder as the physiological data. An event marker is named: “sync summary event # 2”. The “2” is the marker you have defined in you experiment program.<br /><br />		Running the experiment and recording physiology data using Biolab, an event file for each participant is created showing these very markers, as you can see below. It is written out through Biolab and saved in the same folder as the physiological data. An event marker is named: “sync summary event # 2”. The “2” is the marker you have defined in you experiment program.<br /><br />
			----

	==== '''Data aquisition completed: Event-file preparation''' ====		==== '''Data aquisition completed: Event-file preparation''' ====

Zeile 20:		Zeile 19:
	'''REMEMBER, make sure each participant has a physiology file (.mw), a video file (.avi or .mpg) and an event file (.txt).'''<br /><br />		'''REMEMBER, make sure each participant has a physiology file (.mw), a video file (.avi or .mpg) and an event file (.txt).'''<br /><br />

			----
	==== '''EMG Data Cleaning''' ====		==== '''EMG Data Cleaning''' ====

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	'''Click ANALYZE.'''		'''Click ANALYZE.'''
			----
	==== '''Data output in the progam and Excel''' ====		==== '''Data output in the progam and Excel''' ====

Kieckerg am 26. Juli 2014 um 17:09 Uhr

2014-07-26T17:09:48Z

Änderungen zeigen

Kieckerg am 26. Juli 2014 um 16:56 Uhr

2014-07-26T16:56:27Z

← Nächstältere Version		Version vom 26. Juli 2014, 18:56 Uhr
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	[[Datei:EMGCleanImage22.png\|miniatur\|Image22]]		[[Datei:EMGCleanImage22.png\|miniatur\|Image22]]
	[[Datei:EMGCleanImage23.png\|miniatur\|Image23]]		[[Datei:EMGCleanImage23.png\|miniatur\|Image23]]
	~~[[Datei:EMGCleanImage24.png\|miniatur\|Image24]]~~

	After checking for artifacts every segment click “Done”. A new data file will be created automatically by the EMG program for the edited data; it will be an .edmg file. Make sure these files go into a separate folder (e.g. call it “edited data”). This folder is generated by the EMG program automatically, as well as “output data” (See Image20), within the folder which contains your .mw files.<br /><br />		After checking for artifacts every segment click “Done”. A new data file will be created automatically by the EMG program for the edited data; it will be an .edmg file. Make sure these files go into a separate folder (e.g. call it “edited data”). This folder is generated by the EMG program automatically, as well as “output data” (See Image20), within the folder which contains your .mw files.<br /><br />

	Within the “output data” folder EMG creates a new folder named according to the actual date. Here you will find the Excel sheets you are creating, named by the Experiments name and a timestamp (~~Image Folder 2~~).<br />		Within the “output data” folder EMG creates a new folder named according to the actual date. Here you will find the Excel sheets you are creating, named by the Experiments name and a timestamp (Image21).<br /><br />
	For better arrangement, create a new folder (within “output data”) for each participant and save the Excel Sheets in there renamed, containing VP number and marker type.<br />
	'''Back to the EMG Procedure:''' Save the open Excel file in a separate Folder for the current participant (as seen above).<br />		For better arrangement, create a new folder (within “output data”) for each participant and save the Excel Sheets in there renamed, containing VP number and marker type.<br /><br />
	'''REMEMBER: Check in the Excel File for changes after cutting. It can well be, that nothing happens.
	Then click “Done”. You´ll be asked to save the edited Data -> click ok (it will be replaced!).		'''Back to the EMG Procedure:''' Save the open Excel file in a separate Folder for the current participant (as seen above).<br /><br />

			'''REMEMBER: Check in the Excel File for changes after cutting. It can well be, that nothing happens.<br />
			Then click “Done”. You´ll be asked to save the edited Data -> click ok (it will be replaced!).<br />
	Within the rider “Additional Settings” make sure, that you ticked “Use Edited Data” (to pull the edited .mw file you just created) and click “Auto Analyze all Data Segments”. Click Analyze and “Create new file” (same steps as the initial ones). Now the changes in the Excel sheets should be apparent.		Within the rider “Additional Settings” make sure, that you ticked “Use Edited Data” (to pull the edited .mw file you just created) and click “Auto Analyze all Data Segments”. Click Analyze and “Create new file” (same steps as the initial ones). Now the changes in the Excel sheets should be apparent.
	It may well be, that you have to redo these procedure every time you have to remove data portions!!!!'''<br />		It may well be, that you have to redo these procedure every time you have to remove data portions!!!!'''<br />

	==== '''Additional: How to keep an overview of your data cleaning''' ====		==== '''Additional: How to keep an overview of your data cleaning''' ====
	In your Code Book – create a new table “EMG Cleaning Overview”<br />
	What to fill in?:<br />		[[Datei:EMGCleanImage24.png\|miniatur\|Image24]]

			In your Code Book – create a new table “EMG Cleaning Overview”<br /><br />

			What to fill in?:<br /><br />

	a) VP number; b) Channel; c) Marker; d) Segment; e) Cleaning comments		a) VP number; b) Channel; c) Marker; d) Segment; e) Cleaning comments
	(~~see Image EMG Cleaning in Codebook~~)<br />		(Image24)<br /><br />
	~~EMG Cleaning in Code Book~~<br />
	Here you should keep track of what you see and do in the EMG Cleaning. Is the Segment ok? Did you cut anything? Is there something you don´t know what to do with this special artifact? Write everything in the comment column and mark is with either '''green''' (everything is ok, even when it is cut), '''yellow''' (you are not sure and it should be discussed) and '''red''' (not usable due to very long artifacts). It is a lot to write here, but it pays off, because you know exactly where you had problems, others can comprehend your steps; and in case of technical problems you can retrace your work very easily!<br />		Here you should keep track of what you see and do in the EMG Cleaning. Is the Segment ok? Did you cut anything? Is there something you don´t know what to do with this special artifact? Write everything in the comment column and mark is with either '''green''' (everything is ok, even when it is cut), '''yellow''' (you are not sure and it should be discussed) and '''red''' (not usable due to very long artifacts). It is a lot to write here, but it pays off, because you know exactly where you had problems, others can comprehend your steps; and in case of technical problems you can retrace your work very easily!<br /><br />

	==== '''Merging''' ====		==== '''Merging''' ====
	To merge all the excel-files you can use the free “RDBMerge_Add-in” for excel. It’s installed on all Analyzer-PC’s in the lab – if not, you can google it.<br />
			[[Datei:EMGCleanImage25.png\|miniatur\|Image25]]

			To merge all the excel-files you can use the free “RDBMerge_Add-in” for excel. It’s installed on all Analyzer-PC’s in the lab – if not, you can google it.<br /><br />

	Open a new excel-file and start the Add-in (in Data folder). Here you have to choose the folder location, file-extender (xlsx), the worksheet(s) you want to merge and the range (first cell = first data point). Then you get all data from the specified folder in one excel-sheet. The missing subject number you can extract from the imported file-name.<br />		Open a new excel-file and start the Add-in (in Data folder). Here you have to choose the folder location, file-extender (xlsx), the worksheet(s) you want to merge and the range (first cell = first data point). Then you get all data from the specified folder in one excel-sheet. The missing subject number you can extract from the imported file-name.<br />

Kieckerg am 26. Juli 2014 um 16:48 Uhr

2014-07-26T16:48:37Z

← Nächstältere Version		Version vom 26. Juli 2014, 18:48 Uhr
Zeile 102:		Zeile 102:

	==== '''How to deal with artficats''' ====		==== '''How to deal with artficats''' ====

	In caseyou saw possible artifacts, check the signals of the specific muscles (e.g. orbicularis for a blink) carefully and see where the peak shows and if this matches with the time where you saw the artifact on the video.<br /><br />		In caseyou saw possible artifacts, check the signals of the specific muscles (e.g. orbicularis for a blink) carefully and see where the peak shows and if this matches with the time where you saw the artifact on the video.<br /><br />
	If you want to clean, that is remove, an artifact, note the time of the artifact and press “Spline Editor” in the top of the screen.<br />		If you want to clean, that is remove, an artifact, note the time of the artifact and press “Spline Editor” in the top of the screen.<br />

	==== '''Cleaning the data: Spline editor''' ====		==== '''Cleaning the data: Spline editor''' ====
	Select if you want to cut all channelsor a single channel; and then choose the channel for the muscle you want to clean.<br />
	After choosing the channel you want to clean, choose the interval you want to cut by moving the two cursors.<br />		[[Datei:EMGCleanImage17.png\|miniatur\|Image17]]
	'''Note: try to cut the least possible you can: you are losing data!''' You can always cut more afterwards.		[[Datei:EMGCleanImage18.png\|miniatur\|Image18]]
			[[Datei:EMGCleanImage19.png\|miniatur\|Image19]]

			Select if you want to cut all channelsor a single channel; and then choose the channel for the muscle you want to clean.<br /><br />

			After choosing the channel you want to clean, choose the interval you want to cut by moving the two cursors.<br /><br />

			'''Note: try to cut the least possible you can: you are losing data!''' You can always cut more afterwards.<br />
	Then press '''REMOVE DATA PORTION''' and then OK.<br /><br />		Then press '''REMOVE DATA PORTION''' and then OK.<br /><br />
	Now it will look like ~~this:~~<br />
	Now the peak was cut (that’s why the signal goes down). Then press “Done” and it will adjust the Excel file to the edited data.<br />		Now it will look like Image19.<br /><br />

			Now the peak was cut (that’s why the signal goes down). Then press “Done” and it will adjust the Excel file to the edited data.<br /><br />

	==== '''Organisation of the folders''' ====		==== '''Organisation of the folders''' ====
	After checking for artifacts every segment click “Done”. A new data file will be created automatically by the EMG program for the edited data; it will be an .edmg file. Make sure these files go into a separate folder (e.g. call it “edited data”). This folder is generated by the EMG program automatically, as well as “output data” (See ~~Image Folder1~~), within the folder which contains your .mw files.<br />
	~~Folder 1~~<br />		[[Datei:EMGCleanImage20.png\|miniatur\|Image20]]
			[[Datei:EMGCleanImage21.png\|miniatur\|Image21]]
			[[Datei:EMGCleanImage22.png\|miniatur\|Image22]]
			[[Datei:EMGCleanImage23.png\|miniatur\|Image23]]
			[[Datei:EMGCleanImage24.png\|miniatur\|Image24]]

			After checking for artifacts every segment click “Done”. A new data file will be created automatically by the EMG program for the edited data; it will be an .edmg file. Make sure these files go into a separate folder (e.g. call it “edited data”). This folder is generated by the EMG program automatically, as well as “output data” (See Image20), within the folder which contains your .mw files.<br /><br />

	Within the “output data” folder EMG creates a new folder named according to the actual date. Here you will find the Excel sheets you are creating, named by the Experiments name and a timestamp (Image Folder 2).<br />		Within the “output data” folder EMG creates a new folder named according to the actual date. Here you will find the Excel sheets you are creating, named by the Experiments name and a timestamp (Image Folder 2).<br />
	For better arrangement, create a new folder (within “output data”) for each participant and save the Excel Sheets in there renamed, containing VP number and marker type.<br />		For better arrangement, create a new folder (within “output data”) for each participant and save the Excel Sheets in there renamed, containing VP number and marker type.<br />

Kieckerg am 26. Juli 2014 um 16:41 Uhr

2014-07-26T16:41:53Z

← Nächstältere Version		Version vom 26. Juli 2014, 18:41 Uhr
Zeile 102:		Zeile 102:

	==== '''How to deal with artficats''' ====		==== '''How to deal with artficats''' ====

	In caseyou saw possible artifacts, check the signals of the specific muscles (e.g. orbicularis for a blink) carefully and see where the peak shows and if this matches with the time where you saw the artifact on the video.<br /><br />		In caseyou saw possible artifacts, check the signals of the specific muscles (e.g. orbicularis for a blink) carefully and see where the peak shows and if this matches with the time where you saw the artifact on the video.<br /><br />
	If you want to clean, that is remove, an artifact, note the time of the artifact and press “Spline Editor” in the top of the screen.<br />		If you want to clean, that is remove, an artifact, note the time of the artifact and press “Spline Editor” in the top of the screen.<br />

Kieckerg: /* Data output in the progam and Excel */

2014-07-26T16:41:05Z

Data output in the progam and Excel

← Nächstältere Version		Version vom 26. Juli 2014, 18:41 Uhr
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	• First Excel Sheet: EMG Stats<br />		• First Excel Sheet: EMG Stats<br />
	• Second Excel Sheet: Channel Stats<br />		• Second Excel Sheet: Channel Stats<br />
	• Third Sheet: Interval Stats (Image11-13)<br />		• Third Sheet: Interval Stats (Image11-13)<br /><br />

			'''Important: Make sure that all channels are being analyzed.'''<br /><br />
			For each channel there should be - in our example of this manual - 4 segments, with Integral, RMS and MEAN. And this for each stimuli (in this case 2)<br /><br />

	~~'''Important: Make sure that all channels are being analyzed.'''<br />~~
	~~For each channel there should be - in our example of this manual - 4 segments, with Integral, RMS and MEAN. And this for each stimuli (in this case 2)<br />~~
	'''Verify ALWAYS the 3 sheets!!!'''<br /><br />		'''Verify ALWAYS the 3 sheets!!!'''<br /><br />
	At the same time this screen will open. Press the right button of the mouse on the video to undock it and make the video bigger.<br />
	Place the video over the EMG signal so that you can judge more objectively if there are any artifacts.<br />		At the same time this screen will open. Press the right button of the mouse on the video to undock it and make the video bigger (Image14).<br /><br />

			Place the video over the EMG signal so that you can judge more objectively if there are any artifacts (Image15).<br /><br />

	Play all the segments and check here first for artifacts (touching, yawning, swallowing…).<br />		Play all the segments and check here first for artifacts (touching, yawning, swallowing…).<br />
	Dock the video back in (right button click of the mouse on the video – “Dock”).<br />		Dock the video back in (right button click of the mouse on the video – “Dock”).<br /><br />
	On the right side of the screen you can see which muscle signal is shown in the Processed EMG screen on the left side. With the arrows you can change the muscle that is shown. In the EMG Stats you cansee the channel information of the muscle that is currently selected; in this case it is shown 4 times, once for each time interval of 1 second.<br />
			On the right side of the screen you can see which muscle signal is shown in the Processed EMG screen on the left side. With the arrows you can change the muscle that is shown. In the EMG Stats you cansee the channel information of the muscle that is currently selected; in this case it is shown 4 times, once for each time interval of 1 second.<br /><br />

	Now check the signals of all the channels. If you did not see any artifacts just see the signals and if everything seems OK it is OK! You can press DONE and save the excel file (see later in this manual).<br /><br />		Now check the signals of all the channels. If you did not see any artifacts just see the signals and if everything seems OK it is OK! You can press DONE and save the excel file (see later in this manual).<br /><br />

Kieckerg: /* EMG Data Cleaning */

2014-07-26T16:35:17Z

EMG Data Cleaning

← Nächstältere Version		Version vom 26. Juli 2014, 18:35 Uhr
Zeile 26:		Zeile 26:
	Now, choose the right names for each channel. Confirm if the document is the right one. Then it will look like Image5.<br /><br />		Now, choose the right names for each channel. Confirm if the document is the right one. Then it will look like Image5.<br /><br />
	Note1: The frontalis (OR in other cases the Levator) is named as “RtArm” because the name “Frontalis” (OR Levator) is not in the list.		Note1: The frontalis (OR in other cases the Levator) is named as “RtArm” because the name “Frontalis” (OR Levator) is not in the list.
	~~Note 2~~: don’t forget to put “synch summary” on “Event” as well.<br /><br />		Note2: don’t forget to put “synch summary” on “Event” as well.<br /><br />

	'''REMEMBER: You need to use this configuration/naming of the channels for each participant!'''<br /><br />		'''REMEMBER: You need to use this configuration/naming of the channels for each participant!'''<br /><br />

Kieckerg am 26. Juli 2014 um 16:33 Uhr

2014-07-26T16:33:23Z

← Nächstältere Version		Version vom 26. Juli 2014, 18:33 Uhr
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	Press “Create New” (Image10). It will open an excel file with all of the information of all channels.<br /><br />		Press “Create New” (Image10). It will open an excel file with all of the information of all channels.<br /><br />
	Now the output data are created in the form of Excel Sheets.<br /><br />		Now the output data are created in the form of Excel Sheets.<br /><br />
	First Excel Sheet: EMG Stats<br />		• First Excel Sheet: EMG Stats<br />
	Second Excel Sheet: Channel Stats<br />		• Second Excel Sheet: Channel Stats<br />
	Third Sheet: Interval Stats<br />		• Third Sheet: Interval Stats (Image11-13)<br />

	'''Important: Make sure that all channels are being analyzed.'''<br />		'''Important: Make sure that all channels are being analyzed.'''<br />

Kieckerg: /* Data output in the progam and Excel */

2014-07-26T16:32:41Z

Data output in the progam and Excel

← Nächstältere Version		Version vom 26. Juli 2014, 18:32 Uhr
Zeile 79:		Zeile 79:
	[[Datei:EMGCleanImage16.png\|miniatur\|Image16]]		[[Datei:EMGCleanImage16.png\|miniatur\|Image16]]

	Press “Create New”. It will open an excel file with all of the information of all channels.<br /><br />		Press “Create New” (Image10). It will open an excel file with all of the information of all channels.<br /><br />
	Now the output data are created in the form of Excel Sheets.<br /><br />		Now the output data are created in the form of Excel Sheets.<br /><br />
	First Excel Sheet: EMG Stats<br />		First Excel Sheet: EMG Stats<br />

	Second Excel Sheet: Channel Stats<br />		Second Excel Sheet: Channel Stats<br />
	Third Sheet: Interval Stats<br />		Third Sheet: Interval Stats<br />

	'''Important: Make sure that all channels are being analyzed.'''<br />		'''Important: Make sure that all channels are being analyzed.'''<br />
	For each channel there should be - in our example of this manual - 4 segments, with Integral, RMS and MEAN. And this for each stimuli (in this case 2)<br />		For each channel there should be - in our example of this manual - 4 segments, with Integral, RMS and MEAN. And this for each stimuli (in this case 2)<br />