Brittany - Revision history

imported>Psych204B: /* Conclusions */

2012-03-15T16:12:12Z

Conclusions

← Older revision		Revision as of 16:12, 15 March 2012
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	= Conclusions =		= Conclusions =

	My results show that fMRI adaptation is significant for both preferred and non-preferred categories, excepting face selective ROI According to the original study from which this data was obtained, this result is expected across "the majority of subjects"[1]. However, the original study also concluded that the largest adaptation should occur within the preferred category which was a result only observed in face selective region 4.		My results show that fMRI adaptation is significant for both preferred and non-preferred categories, excepting face selective ROI 1. According to the original study from which this data was obtained, this result is expected across "the majority of subjects"[1]. However, the original study also concluded that the largest adaptation should occur within the preferred category which was a result only observed in face selective region 4.

	My results also show a decreasing fMRI adaptation ratio (Repeat/Non-repeat) from posterior to anterior regions within the face selective category, indicating a stronger adaptation response in the more anterior regions. This result is expected based on the original study, however, this was also expected but not observed for limb selective regions. This could be due to the fact that I only analyzed one hemisphere of one participant. Additionally, the selection of only three limb ROIs and my selection of ROI boundaries could have greatly influenced this result. As a next step I would go back and analyze additional ROIs within the limb selective regions in order to gain a better understanding of the fMRI adaptation patterns within that category's data.



			My results also show a decreasing fMRI adaptation ratio (Repeat/Non-repeat) from posterior to anterior regions within the face selective category, indicating a stronger adaptation response in the more anterior regions. This result is expected based on the original study, however, this was also expected but not observed for limb selective regions. This could be due to the fact that I only analyzed one hemisphere of one participant. Additionally, the selection of only three limb ROIs and my selection of ROI boundaries could have greatly influenced this result. As a next step I would go back and analyze additional ROIs within the limb selective regions in order to gain a better understanding of the fMRI adaptation patterns within that category's data.

	= References =		= References =

imported>Psych204B: /* References */

2012-03-15T15:43:34Z

References

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	2) Weiner K., Sayres R., Vinberg J., Grill-Spector K. fMRI Adaptation and Category Selectivity in Human Ventral Temporal Cortex: Regional Differences Across Time Scales. J. Neurophysiology, 2010		2) Weiner K., Sayres R., Vinberg J., Grill-Spector K. fMRI Adaptation and Category Selectivity in Human Ventral Temporal Cortex: Regional Differences Across Time Scales. J. Neurophysiology, 2010

			3) Weiner K., Grill-Spector K.. Sparsely distributed organization of face and limb activations in human ventral temporal cortex. Neuroimage, 2010

imported>Psych204B at 09:26, 15 March 2012

2012-03-15T09:26:13Z

← Older revision		Revision as of 09:26, 15 March 2012
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	= References =		= References =
	1) Sayres & Grill-Spector, J. Neurophysiology, 2006		1) Sayres & Grill-Spector, J. Neurophysiology, 2006

	2) Weiner K., Sayres R., Vinberg J., Grill-Spector K. fMRI Adaptation and Category Selectivity in Human Ventral Temporal Cortex: Regional Differences Across Time Scales. J. Neurophysiology, 2010		2) Weiner K., Sayres R., Vinberg J., Grill-Spector K. fMRI Adaptation and Category Selectivity in Human Ventral Temporal Cortex: Regional Differences Across Time Scales. J. Neurophysiology, 2010

imported>Psych204B at 09:24, 15 March 2012

2012-03-15T09:24:57Z

← Older revision		Revision as of 09:24, 15 March 2012
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	= References =		= References =
			1) Sayres & Grill-Spector, J. Neurophysiology, 2006
			2) Weiner K., Sayres R., Vinberg J., Grill-Spector K. fMRI Adaptation and Category Selectivity in Human Ventral Temporal Cortex: Regional Differences Across Time Scales. J. Neurophysiology, 2010

imported>Psych204B at 09:24, 15 March 2012

2012-03-15T09:24:17Z

← Older revision		Revision as of 09:24, 15 March 2012
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			As seen from these four time courses, all of ROIs based on faced selective localizer data remains category selective within the adaptation parameter map. Face selective ROI 1 does not show adaptation in response to faces, and furthermore shows a higher response to repeated limb stimuli than non repeated limb stimuli (both responses still less than those for faces). Face selective ROIs 1,2, and 3 show increasing levels of adaptation to all stimuli, excluding houses.

	== Limb Selective Time Courses ==		== Limb Selective Time Courses ==
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	[[File:LS3Timecourse.png \| Figure 11]] Limb Selective 3 (Magenta) Time course		[[File:LS3Timecourse.png \| Figure 11]] Limb Selective 3 (Magenta) Time course


			Similarly to face selective regions, all limb selective ROIs maintain a significant preference for images of limbs. However, unlike the anterior to posterior decrease in fMRI adaptation seen in face selective regions, the limb selective regions do not show this pattern. In fact, there is a slight increase in adaptation strength from the anterior to posterior limb selective ROIs.


	= Conclusions =		= Conclusions =

	~~Here~~ is ~~where you say what your~~ results ~~mean~~.		My results show that fMRI adaptation is significant for both preferred and non-preferred categories, excepting face selective ROI According to the original study from which this data was obtained, this result is expected across "the majority of subjects"[1]. However, the original study also concluded that the largest adaptation should occur within the preferred category which was a result only observed in face selective region 4.

			My results also show a decreasing fMRI adaptation ratio (Repeat/Non-repeat) from posterior to anterior regions within the face selective category, indicating a stronger adaptation response in the more anterior regions. This result is expected based on the original study, however, this was also expected but not observed for limb selective regions. This could be due to the fact that I only analyzed one hemisphere of one participant. Additionally, the selection of only three limb ROIs and my selection of ROI boundaries could have greatly influenced this result. As a next step I would go back and analyze additional ROIs within the limb selective regions in order to gain a better understanding of the fMRI adaptation patterns within that category's data.

	~~= References - Resources and related work =~~

	~~References~~

	~~Software~~		= References =

imported>Psych204B at 06:51, 15 March 2012

2012-03-15T06:51:14Z

← Older revision		Revision as of 06:51, 15 March 2012
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	= Results =		= Results =

	==Face Selective Time Courses==		==Face Selective Time Courses==

	[[File:FS1 Timecourse2.png \| Figure 5]]		[[File:FS1 Timecourse2.png \| Figure 5]] Face Selective 1 (Blue) Time course

	[[File:FS2Timecourse.png \| Figure 6]]		[[File:FS2Timecourse.png \| Figure 6]] Face Selective 2 (Red) Time course

	[[File:FS3Timecourse.png \| Figure 7]]		[[File:FS3Timecourse.png \| Figure 7]] Face Selective 3 (Cyan) Time course

	[[File:FS4Timecourse.png \| Figure 8]]		[[File:FS4Timecourse.png \| Figure 8]] Face Selective 4 (Yellow) Time course


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	== Limb Selective Time Courses ==		== Limb Selective Time Courses ==

	[[File:LS1Timecourse.png \| Figure 9]]		[[File:LS1Timecourse.png \| Figure 9]] Limb Selective 1 (Blue) Time course

	[[File:LS2Timecourse.png \| Figure 10]]		[[File:LS2Timecourse.png \| Figure 10]] Limb Selective 2 (Green) Time course

	[[File:LS3Timecourse.png \| Figure 11]]		[[File:LS3Timecourse.png \| Figure 11]] Limb Selective 3 (Magenta) Time course

imported>Psych204B at 06:46, 15 March 2012

2012-03-15T06:46:13Z

← Older revision		Revision as of 06:46, 15 March 2012
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	== Limb Selective Time Courses ==		== Limb Selective Time Courses ==
	~~Some text~~. ~~Some analysis~~. ~~Some figures~~.
			[[File:LS1Timecourse.png \| Figure 9]]

			[[File:LS2Timecourse.png \| Figure 10]]

			[[File:LS3Timecourse.png \| Figure 11]]

imported>Psych204B at 06:40, 15 March 2012

2012-03-15T06:40:15Z

← Older revision		Revision as of 06:40, 15 March 2012
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	[[File:FS1 Timecourse2.png \| Figure 5]]		[[File:FS1 Timecourse2.png \| Figure 5]]

			[[File:FS2Timecourse.png \| Figure 6]]

			[[File:FS3Timecourse.png \| Figure 7]]

			[[File:FS4Timecourse.png \| Figure 8]]



	== Limb Selective Time Courses ==		== Limb Selective Time Courses ==

imported>Psych204B at 06:31, 15 March 2012

2012-03-15T06:31:30Z

← Older revision		Revision as of 06:31, 15 March 2012
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	[[File:Face Selective ROIs Final (Localizer).jpg \| Figure 1]]		[[File:Face Selective ROIs Final (Localizer).jpg \| Figure 1]]
	FIGURE 1 ROIs are named as ~~Follows~~: Face Selective 1- Blue		FIGURE 1
			ROIs are named as follows: Face Selective 1- Blue
	Face Selective 2- Red		Face Selective 2- Red
	Face Selective 3- Cyan		Face Selective 3- Cyan
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	[[File:Limb Selective ROIs Final.png \| FIGURE 2]]		[[File:Limb Selective ROIs Final.png \| FIGURE 2]]
	FIGURE 2		FIGURE 2
			ROIs are named as follows: Limb Selective 1- Blue
			Limb Selective 2- Green
			Limb Selective 3- Magenta

	These ROIs were then uploaded onto their respective adaptation maps obtained from the first experiment. Face Selective adaptation map(figure 3) and Limb selective adaptation map (figure 4).		These ROIs were then uploaded onto their respective adaptation maps obtained from the first experiment. Face Selective adaptation map(figure 3) and Limb selective adaptation map (figure 4).

imported>Psych204B at 06:27, 15 March 2012

2012-03-15T06:27:42Z

← Older revision		Revision as of 06:27, 15 March 2012
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	[[File:Face Selective ROIs Final (Localizer).jpg \| Figure 1]]		[[File:Face Selective ROIs Final (Localizer).jpg \| Figure 1]]
	FIGURE 1		FIGURE 1 ROIs are named as Follows: Face Selective 1- Blue
			Face Selective 2- Red
			Face Selective 3- Cyan
			Face Selective 4- Yellow
	Using the localizer data for limb selective regions from the same experiment I selected 3 limb selective ROIs (See figure 2). I chose these 3 ROIs in order to obtain data from one ROI in 3 differing anatomical regions.		Using the localizer data for limb selective regions from the same experiment I selected 3 limb selective ROIs (See figure 2). I chose these 3 ROIs in order to obtain data from one ROI in 3 differing anatomical regions.

← Older revision		Revision as of 06:51, 15 March 2012
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	= Results =		= Results =

	==Face Selective Time Courses==		==Face Selective Time Courses==

	[[File:FS1 Timecourse2.png \| Figure 5]]		[[File:FS1 Timecourse2.png \| Figure 5]] Face Selective 1 (Blue) Time course

	[[File:FS2Timecourse.png \| Figure 6]]		[[File:FS2Timecourse.png \| Figure 6]] Face Selective 2 (Red) Time course

	[[File:FS3Timecourse.png \| Figure 7]]		[[File:FS3Timecourse.png \| Figure 7]] Face Selective 3 (Cyan) Time course

	[[File:FS4Timecourse.png \| Figure 8]]		[[File:FS4Timecourse.png \| Figure 8]] Face Selective 4 (Yellow) Time course


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	== Limb Selective Time Courses ==		== Limb Selective Time Courses ==

	[[File:LS1Timecourse.png \| Figure 9]]		[[File:LS1Timecourse.png \| Figure 9]] Limb Selective 1 (Blue) Time course

	[[File:LS2Timecourse.png \| Figure 10]]		[[File:LS2Timecourse.png \| Figure 10]] Limb Selective 2 (Green) Time course

	[[File:LS3Timecourse.png \| Figure 11]]		[[File:LS3Timecourse.png \| Figure 11]] Limb Selective 3 (Magenta) Time course