Hippocampus - Revision history

Monakhos at 01:37, 14 May 2013

2013-05-14T01:37:43Z

← Older revision		Revision as of 18:37, 13 May 2013
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	<span class="wpImageAnnotatorPageName" style="display:none;">Hippocampus</span>		<span class="wpImageAnnotatorPageName" style="display:none;">Hippocampus</span>
	<span class="wpImageAnnotatorFullName" style="display:none;">Hippocampus</span>		<span class="wpImageAnnotatorFullName" style="display:none;">Hippocampus</span>
	<div class="wpImageAnnotatorFile">[[File:~~Hippocampus Network~~.~~png~~]]</div>		<div class="wpImageAnnotatorFile">[[File:Basal_Ganglia4.jpg]]</div>
	<div style="display:none;"><div><div><!--Dummy marker to have image notes inserted below this line-->{{ImageNoteEnd\|id=-1}}		<div style="display:none;"><div><div><!--Dummy marker to have image notes inserted below this line-->{{ImageNoteEnd\|id=-1}}
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	~~<div class="toccolours mw-collapsible mw-collapsed" data-collapsetext="Close Image" data-expandtext="View Image" style="width: 410px; float:right;" >~~
	~~[[File:Basal_Ganglia4.jpg\|400px]]~~
	~~</div>~~

	<div class="toccolours mw-collapsible mw-collapsed" data-collapsetext="Close Image" data-expandtext="View Image" style="width: 410px; float:right;" >		<div class="toccolours mw-collapsible mw-collapsed" data-collapsetext="Close Image" data-expandtext="View Image" style="width: 410px; float:right;" >

Monakhos at 01:25, 14 May 2013

2013-05-14T01:25:29Z

← Older revision		Revision as of 18:25, 13 May 2013
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	[[File:Hippocampus Network.png]]

			<div class="wpImageAnnotatorEnable">
			<span class="wpImageAnnotatorPageName" style="display:none;">Hippocampus</span>
			<span class="wpImageAnnotatorFullName" style="display:none;">Hippocampus</span>
			<div class="wpImageAnnotatorFile">[[File:Hippocampus Network.png]]</div>
			<div style="display:none;"><div><div><!--Dummy marker to have image notes inserted below this line-->{{ImageNoteEnd\|id=-1}}
			</div>
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	[[File:Hippocampal Gyrus.jpg\|thumb\|400px]]		[[File:Hippocampal Gyrus.jpg\|thumb\|400px]]

Monakhos at 01:13, 14 May 2013

2013-05-14T01:13:54Z

← Older revision		Revision as of 18:13, 13 May 2013
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	~~<div class="wpImageAnnotatorEnable">~~
	~~<span class="wpImageAnnotatorPageName" style="display:none;">Hippocampus</span>~~
	~~<span class="wpImageAnnotatorFullName" style="display:none;">Hippocampus</span>~~
	~~<div class="wpImageAnnotatorFile">[[File:Hippocampus.jpeg\|400px]]</div>~~
	~~<div style="display:none;"><div><div><!--Dummy marker to have image notes inserted below this line-->{{ImageNoteEnd\|id=-1}}~~
	~~{{ImageNote\|id=1\|x=667\|y=1567\|w=1351\|h=1351\|dimx=10677\|dimy=3985\|style=2}}~~
	~~This part of the [[hippocampus]] connects to the dentate gyrus~~
	~~{{ImageNoteEnd\|id=1}}~~
	~~{{ImageNote\|id=2\|x=1072\|y=1455\|w=357\|h=483\|dimx=2101\|dimy=3000\|style=2}}~~
	~~Here is the CA1 region [[Basal Ganglia]] is included~~
	~~{{ImageNoteEnd\|id=2}}~~
	~~</div>~~
	~~</div>~~

	[[File:Hippocampus Network.png]]		[[File:Hippocampus Network.png]]
	[[File:Hippocampal Gyrus.jpg\|thumb\|400px]]		[[File:Hippocampal Gyrus.jpg\|thumb\|400px]]
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	*emotional functions		*emotional functions

	Currently popular theories implicate the basal ganglia primarily in action selection, that is, the decision of which of several possible behaviors to execute at a given time.		Currently popular theories implicate the [[Basal Ganglia\|basal ganglia]] primarily in action selection, that is, the decision of which of several possible behaviors to execute at a given time.


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	The basal ganglia form a major brain system in all species of vertebrates, but the basal ganglia of primates (including humans) have special features that justify a separate consideration. As in other vertebrates, the primate basal ganglia can be divided into striatal, pallidal, nigral, and subthalamic components. In primates, however, the two pallidal subdivisions are called the external and internal (or sometimes lateral and medial) segments of the globus pallidus, whereas in other species they are called the globus pallidus and entopeduncular nucleus. Also in primates, the striatum is divided by a large tract of white matter called the internal capsule into two masses of gray matter that early anatomists named the caudate nucleus and putamen -- in most other species no such division exists, and only the striatum as a whole is recognized. Beyond this, the complex topography of connections between the striatum and cortex means that functions are segregated within the primate striatum in ways that do not apply to other species.		The [[Basal Ganglia\|basal ganglia]] form a major [[brain]] system in all species of vertebrates, but the [[Basal Ganglia\|basal ganglia]] of primates (including humans) have special features that justify a separate consideration. As in other vertebrates, the primate [[Basal Ganglia\|basal ganglia]] can be divided into striatal, pallidal, nigral, and subthalamic components. In primates, however, the two pallidal subdivisions are called the external and internal (or sometimes lateral and medial) segments of the globus pallidus, whereas in other species they are called the globus pallidus and entopeduncular nucleus. Also in primates, the striatum is divided by a large tract of white matter called the internal capsule into two masses of gray matter that early anatomists named the caudate nucleus and putamen -- in most other species no such division exists, and only the striatum as a whole is recognized. Beyond this, the complex topography of connections between the striatum and cortex means that functions are segregated within the primate striatum in ways that do not apply to other species.

	}}		}}

Monakhos at 21:14, 3 May 2013

2013-05-03T21:14:53Z

← Older revision		Revision as of 14:14, 3 May 2013
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	[[File:Hippocampus Network.png]]		[[File:Hippocampus Network.png]]
			[[File:Hippocampal Gyrus.jpg\|thumb\|400px]]

	[[File:Hippocampus.gif\|thumb\|400px\|The hippocampal Network: The hippocampus forms a principally uni-directional network, with input from the Entorhinal Cortex (EC) tht forsms connections with the Dentate Gyrus (DG) and CA3 pyramidal neurons via the Perforant Path (PP - split into lateral and medial). CA3 neurons also receive input from the DG via the Mossy Fibres (MF). They send axons to CA1 pyramidal cells via the Schaffer Collateral Pathway (SC), as well as to CA1 cells in the contralateral hippocampus via the Associational Commisural (AC) Pathway. CA1 neurons also receive inputs direct from the Perforant Path and send axons to the Subiculum (Sb). These neurons in turn send the main hippocampal output back to the EC, forming a loop.]]		[[File:Hippocampus.gif\|thumb\|400px\|The hippocampal Network: The hippocampus forms a principally uni-directional network, with input from the Entorhinal Cortex (EC) tht forsms connections with the Dentate Gyrus (DG) and CA3 pyramidal neurons via the Perforant Path (PP - split into lateral and medial). CA3 neurons also receive input from the DG via the Mossy Fibres (MF). They send axons to CA1 pyramidal cells via the Schaffer Collateral Pathway (SC), as well as to CA1 cells in the contralateral hippocampus via the Associational Commisural (AC) Pathway. CA1 neurons also receive inputs direct from the Perforant Path and send axons to the Subiculum (Sb). These neurons in turn send the main hippocampal output back to the EC, forming a loop.]]

Monakhos at 11:52, 3 May 2013

2013-05-03T11:52:12Z

← Older revision		Revision as of 04:52, 3 May 2013
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	[[File:Hippocampus.gif\|thumb\|400px\|The hippocampal Network: The hippocampus forms a principally uni-directional network, with input from the Entorhinal Cortex (EC) tht forsms connections with the Dentate Gyrus (DG) and CA3 pyramidal neurons via the Perforant Path (PP - split into lateral and medial). CA3 neurons also receive input from the DG via the Mossy Fibres (MF). They send axons to CA1 pyramidal cells via the Schaffer Collateral Pathway (SC), as well as to CA1 cells in the contralateral hippocampus via the Associational Commisural (AC) Pathway. CA1 neurons also receive inputs direct from the Perforant Path and send axons to the Subiculum (Sb). These neurons in turn send the main hippocampal output back to the EC, forming a loop.]]		[[File:Hippocampus.gif\|thumb\|400px\|The hippocampal Network: The hippocampus forms a principally uni-directional network, with input from the Entorhinal Cortex (EC) tht forsms connections with the Dentate Gyrus (DG) and CA3 pyramidal neurons via the Perforant Path (PP - split into lateral and medial). CA3 neurons also receive input from the DG via the Mossy Fibres (MF). They send axons to CA1 pyramidal cells via the Schaffer Collateral Pathway (SC), as well as to CA1 cells in the contralateral hippocampus via the Associational Commisural (AC) Pathway. CA1 neurons also receive inputs direct from the Perforant Path and send axons to the Subiculum (Sb). These neurons in turn send the main hippocampal output back to the EC, forming a loop.]]

			[[File:Perirhinal-network.gif\|thumb\|400px\|Perirhinal-LEC-hippocampus

			The perirhinal cortex sends projections to the lateral entorhinal cortex (LEC). This innervation runs from and to the superficial layers (layers II and III). These in turn project to the CA1-subiculum junction as part of the LEC projection to the hippocampus, part of the perforant path. Reciprocal projections return to the LEC, but to deeper layers (layer V), with intra-LEC connections closing the loops. Postrhinal-MEC-hippocampus: Similar to the perirhinal cortex, the postrhinal cortex sends also projections to the entorhinal cortex, but in this case to the medial entorhinal cortex (MEC). This innervation again runs from and to the superficial layers (layers II and III). These in turn project to the proximal CA1 (nearer to CA3) and the distal subiculum as part of the perforant path. Reciprocal projections return to layer V of the MEC, with intra-MEC connections closing the loops]]

Monakhos at 11:47, 3 May 2013

2013-05-03T11:47:25Z

← Older revision		Revision as of 04:47, 3 May 2013
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	[[File:Hippocampus Network.png]]		[[File:Hippocampus Network.png]]

			[[File:Hippocampus.gif\|thumb\|400px\|The hippocampal Network: The hippocampus forms a principally uni-directional network, with input from the Entorhinal Cortex (EC) tht forsms connections with the Dentate Gyrus (DG) and CA3 pyramidal neurons via the Perforant Path (PP - split into lateral and medial). CA3 neurons also receive input from the DG via the Mossy Fibres (MF). They send axons to CA1 pyramidal cells via the Schaffer Collateral Pathway (SC), as well as to CA1 cells in the contralateral hippocampus via the Associational Commisural (AC) Pathway. CA1 neurons also receive inputs direct from the Perforant Path and send axons to the Subiculum (Sb). These neurons in turn send the main hippocampal output back to the EC, forming a loop.]]

Monakhos at 11:44, 3 May 2013

2013-05-03T11:44:06Z

← Older revision		Revision as of 04:44, 3 May 2013
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	This is a "sandbox" for trying out image annotations. You can try out [[Help:Gadget-ImageAnnotator\|image notes]] on the image below. Don't worry, all your changes are visible on this page only; you won't corrupt existing notes at the file page.

	<div class="wpImageAnnotatorEnable">		<div class="wpImageAnnotatorEnable">
	<span class="wpImageAnnotatorPageName" style="display:none;">Hippocampus</span>		<span class="wpImageAnnotatorPageName" style="display:none;">Hippocampus</span>
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	~~Start by clicking the button above~~.		[[File:Hippocampus Network.png]]

Monakhos: Adding image note: Here is the CA1 region Basal Ganglia is included

2013-01-12T08:51:37Z

Adding image note: Here is the CA1 region Basal Ganglia is included

← Older revision		Revision as of 01:51, 12 January 2013
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	This part of the [[hippocampus]] connects to the dentate gyrus		This part of the [[hippocampus]] connects to the dentate gyrus
	{{ImageNoteEnd\|id=1}}		{{ImageNoteEnd\|id=1}}
			{{ImageNote\|id=2\|x=1072\|y=1455\|w=357\|h=483\|dimx=2101\|dimy=3000\|style=2}}
			Here is the CA1 region [[Basal Ganglia]] is included
			{{ImageNoteEnd\|id=2}}
	</div>		</div>
	</div>		</div>

Monakhos at 08:50, 12 January 2013

2013-01-12T08:50:54Z

← Older revision		Revision as of 01:50, 12 January 2013
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			This is a "sandbox" for trying out image annotations. You can try out [[Help:Gadget-ImageAnnotator\|image notes]] on the image below. Don't worry, all your changes are visible on this page only; you won't corrupt existing notes at the file page.

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			<span class="wpImageAnnotatorPageName" style="display:none;">Hippocampus</span>
			<span class="wpImageAnnotatorFullName" style="display:none;">Hippocampus</span>
			<div class="wpImageAnnotatorFile">[[File:Hippocampus.jpeg\|400px]]</div>
			<div style="display:none;"><div><div><!--Dummy marker to have image notes inserted below this line-->{{ImageNoteEnd\|id=-1}}
			{{ImageNote\|id=1\|x=667\|y=1567\|w=1351\|h=1351\|dimx=10677\|dimy=3985\|style=2}}
			This part of the [[hippocampus]] connects to the dentate gyrus
			{{ImageNoteEnd\|id=1}}
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	{{Box\|width=50%\|Hippocampus\|		{{Box\|width=50%\|Hippocampus\|
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	}}		}}





	~~== Image notes sandbox ==~~

	This is a "sandbox" for trying out image annotations. You can try out [[Help:Gadget-ImageAnnotator\|image notes]] on the image below. Don't worry, all your changes are visible on this page only; you won't corrupt existing notes at the file page.

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	~~<span class="wpImageAnnotatorPageName" style="display:none;">Hippocampus</span>~~
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	~~This part of the [[hippocampus]] connects to the dentate gyrus~~
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Monakhos at 08:49, 12 January 2013

2013-01-12T08:49:59Z

← Older revision		Revision as of 01:49, 12 January 2013
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	}}		}}





			== Image notes sandbox ==

			This is a "sandbox" for trying out image annotations. You can try out [[Help:Gadget-ImageAnnotator\|image notes]] on the image below. Don't worry, all your changes are visible on this page only; you won't corrupt existing notes at the file page.

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			<span class="wpImageAnnotatorPageName" style="display:none;">Hippocampus</span>
			<span class="wpImageAnnotatorFullName" style="display:none;">Hippocampus</span>
			<div class="wpImageAnnotatorFile">[[File:Hippocampus.jpeg\|400px]]</div>
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			{{ImageNote\|id=1\|x=667\|y=1567\|w=1351\|h=1351\|dimx=10677\|dimy=3985\|style=2}}
			This part of the [[hippocampus]] connects to the dentate gyrus
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	{{RightBox\|width=40%\|Basal Ganglia Images\|[[File:Hippocampus.jpeg\|400px]]}}		{{RightBox\|width=40%\|Basal Ganglia Images\|[[File:Hippocampus.jpeg\|400px]]}}