Neural Anatomy - Revision history

Bradley Monk: /* Quantitative Review */

2014-08-20T04:10:46Z

Quantitative Review

← Older revision		Revision as of 21:10, 19 August 2014
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	* dendrite branches (purkinje): 400-500		* dendrite branches (purkinje): 400-500

	;Table of spine sizes, adapted from [http://www.ncbi.nlm.nih.gov/pubmed/1613552 Harris 1992] {{Fig\|[[File:Harris Tsao 1992.png]]}}<br>		;Table of spine sizes, adapted from [http://www.ncbi.nlm.nih.gov/pubmed/1613552 Harris 1992] {{Fig\|[[File:Harris Tsao 1992.png]]\|Harris 1992\|Harris 1992}}<br>

Bradley Monk: /* Quantitative Review */

2014-08-20T04:06:05Z

Quantitative Review

← Older revision		Revision as of 21:06, 19 August 2014
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	* dendrite branches (granual): 10 - 30		* dendrite branches (granual): 10 - 30
	* dendrite branches (purkinje): 400-500		* dendrite branches (purkinje): 400-500

			;Table of spine sizes, adapted from [http://www.ncbi.nlm.nih.gov/pubmed/1613552 Harris 1992] {{Fig\|[[File:Harris Tsao 1992.png]]}}<br>


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	{{Clear}}		{{Clear}}

	== Brain Data: Facts and Figures ==		== Brain Data: Facts and Figures ==
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Bradley Monk at 05:53, 24 July 2014

2014-07-24T05:53:31Z

← Older revision		Revision as of 22:53, 23 July 2014
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	{{Clear}}		{{Clear}}
	== ~~Quantitative~~ Brain Data ==		== Brain Data: Facts and Figures ==
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	{{Box\|font=120%\|width=95%\|float=left\|text=12px\|Estimated Number of Neurons in the Brain of Humans & Other Animals\|		{{Box\|font=120%\|width=95%\|float=left\|text=12px\|Estimated Number of Neurons in the Brain of Humans & Other Animals\|

Bradley Monk: /* Brain vs Computer */

2014-07-24T05:51:19Z

Brain vs Computer

← Older revision		Revision as of 22:51, 23 July 2014
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	{{Box\|font=120%\|width=95%\|float=left\|text=12px\|Facts and Figures\|		{{Box\|font=120%\|width=95%\|float=left\|text=12px\|Facts and Figures\|

	[[File:~~Transistor Count and Moores Law~~.png\|~~thumb~~\|~~600px~~]]		[[File:Human Brain.png\|400px\|float:left]]                 <big><big>'''vs.'''</big></big>                       [[File:Intel Core i5.png\|250px\|float:left]]

			{{Clear}}

	; Microprocessors		; Microprocessors
	A microprocessor incorporates the functions of a computer's [[central processing unit]] on a single integrated circuit. It is a multipurpose, programmable device that accepts digital data as input, processes it according to instructions stored in its memory, and provides results as output.		A microprocessor incorporates the functions of a computer's central processing unit on a single integrated circuit. It is a multipurpose, programmable device that accepts digital data as input, processes it according to instructions stored in its memory, and provides results as output.


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	\|363 mm²		\|363 mm²
	\|}		\|}
			[[File:Transistor Count and Moores Law.png\|thumb\|500px]]

	{{Clear}}		{{Clear}}

Bradley Monk: /* Brain vs Computer */

2014-07-24T05:25:31Z

Brain vs Computer

← Older revision		Revision as of 22:25, 23 July 2014
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	\|-		\|-
	\|Core i7 (Quad)		\|Core i7 (Quad)
	\|731,000,000		\|731,000,000 <big>'''(7e8)'''</big>
	\|2008		\|2008
	\|Intel		\|Intel
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	\|-		\|-
	\|WDC 65C02		\|WDC 65C02
	\|785,000		\|785,000,000
	\|2009		\|2009
	\| western design center		\| western design center
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	\|-		\|-
	\|16-Core SPARC T3		\|16-Core SPARC T3
	\|1,000,000,000		\|1,000,000,000 <big>'''(1e9)'''</big>
	\|2010		\|2010
	\|Sun Microsystems\|Sun Oracle Corporation\|Oracle		\|Sun Microsystems\|Sun Oracle Corporation\|Oracle
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	\|-		\|-
	\|Quad-Core Itanium Tukwila (processor)\|Tukwila		\|Quad-Core Itanium Tukwila (processor)\|Tukwila
	\|2,000,000,000		\|2,000,000,000 <big>'''(2e9)'''</big>
	\|2010		\|2010
	\|Intel		\|Intel
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	\|-		\|-
	\|8-Core Itanium Poulson (processor)\|Poulson		\|8-Core Itanium Poulson (processor)\|Poulson
	\|3,100,000,000		\|3,100,000,000 <big>'''(3e9)'''</big>
	\|2012		\|2012
	\|Intel		\|Intel
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	\|-		\|-
	\|15-Core Xeon Ivy Bridge-EX		\|15-Core Xeon Ivy Bridge-EX
	\|4,310,000,000		\|4,310,000,000 <big>'''(4e9)'''</big>
	\|2014		\|2014
	\|Intel		\|Intel
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	\|-		\|-
	\|62-Core Xeon Phi		\|62-Core Xeon Phi
	\|5,000,000,000		\|5,000,000,000
	\|2012		\|2012
	\|Intel		\|Intel
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	\|-		\|-
	\|Xbox One Main SoC		\|Xbox One Main SoC
	\|5,000,000,000		\|5,000,000,000 <big>'''(5e9)'''</big>
	\|2013		\|2013
	\|Microsoft/AMD		\|Microsoft/AMD

Bradley Monk: /* Brain vs Computer */

2014-07-24T05:22:04Z

Brain vs Computer

Show changes

Bradley Monk: /* Quantitative Brain Data */

2014-07-24T05:20:34Z

Quantitative Brain Data

← Older revision		Revision as of 22:20, 23 July 2014
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	<big><big>'''Average number of neurons and synapses in the human brain'''</big></big>		<big><big>'''Average number of neurons and synapses in the human brain'''</big></big>
	: <big>'''Neurons:''' 100 ''billion'' (1,000,000,000; ~~1e9~~)</big>		: <big>'''Neurons:''' 100 ''billion'' (100,000,000,000; 1e11)</big>
	: <big>'''Synapses:''' 100 ''trillion'' (1,000,000,000,000; ~~1e12~~)</big>		: <big>'''Synapses:''' 100 ''trillion'' (100,000,000,000,000; 1e14)</big>

Bradley Monk: /* Quantitative Brain Data */

2014-07-24T05:19:27Z

Quantitative Brain Data

← Older revision		Revision as of 22:19, 23 July 2014
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	{{Box\|font=120%\|width=95%\|float=left\|text=12px\|Estimated Number of Neurons in the Brain of Humans & Other Animals\|		{{Box\|font=120%\|width=95%\|float=left\|text=12px\|Estimated Number of Neurons in the Brain of Humans & Other Animals\|
	~~Because of its large~~ number of ~~tiny granule cells, the cerebellum contains more~~ neurons ~~than the rest of~~ the brain, but takes up only 10% of the total brain volume. The number of neurons in the cerebellum is related to the number of neurons in the neocortex. There are about 3.6 times as many neurons in the cerebellum as in the neocortex, ~~a ratio that is conserved across many different mammalian species. What gives? Two things really~~: (1~~) The neocortex has a large proportion of pyramidal neurons which are much bigger than granule cells~~, ~~and (2) Purkinje cells can make up to 200k synaptic connections (contrast that with 1k - 10k for "typical" neurons of other types~~).
			<big><big>'''Average number of neurons and synapses in the human brain'''</big></big>
			: <big>'''Neurons:''' 100 ''billion'' (1,000,000,000; 1e9)</big>
			: <big>'''Synapses:''' 100 ''trillion'' (1,000,000,000,000; 1e12)</big>


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	* Calcium: 0.0001 vs 1		* Calcium: 0.0001 vs 1

			Because of its large number of tiny granule cells, the cerebellum contains more neurons than the rest of the brain, but takes up only 10% of the total brain volume. The number of neurons in the cerebellum is related to the number of neurons in the neocortex. There are about 3.6 times as many neurons in the cerebellum as in the neocortex, a ratio that is conserved across many different mammalian species. What gives? Two things really: (1) The neocortex has a large proportion of pyramidal neurons which are much bigger than granule cells, and (2) Purkinje cells can make up to 200k synaptic connections (contrast that with 1k - 10k for "typical" neurons of other types).
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	{{Clear}}		{{Clear}}

	== Brain vs Computer ==		== Brain vs Computer ==
	{{Box\|font=120%\|width=95%\|float=left\|text=12px\|Facts and Figures\|		{{Box\|font=120%\|width=95%\|float=left\|text=12px\|Facts and Figures\|

Bradley Monk: /* Brain vs Computer */

2014-07-24T05:12:22Z

Brain vs Computer

Show changes

Bradley Monk: /* Quantitative Review */

2014-07-24T04:59:00Z

Quantitative Review

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 {{Box|font=120%|width=95%|float=left|text=12px|Estimated Number of Neurons in the Brain of Humans & Other Animals|
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 {{PageHead|[[STARShiP]]|[[Molecular Methods]]|[[Quantum Dots]]|[[AMPAR]]|[[Brownian Motion]]}}
 [[Category:Malinow]] [[Category:ReDiClus]][[Category:Neurobiology]]