User talk:Paskari

Peyman askari

Thank you for experimenting with Wikipedia by creating the page Peyman askari. Your test worked, and the page that you created has been or soon will be deleted. Please use the sandbox for any other tests you want to do. Take a look at the welcome page if you would like to learn more about contributing to our encyclopedia. -- Merope 15:07, 28 November 2006 (UTC)[reply]

 ==Wait==

I am trying to make a page to upload all my documents it will be a page about me and then list all my research (I am a PhD student)

am I not allowed to do that?

Please give me some guidance as to how i can go about doing this ( I don't even know how to properly message you)

Using the talk page

Please be aware that talk pages are meant for discussion on how to improve the article, not to discuss the subject at hand. See WP:TALK under Wikipedia-specific help. --Erik (^talk/_contrib) @ 18:37, 4 December 2006 (UTC)[reply]

Your userpage is quite interesting. Did you start getting interested in creating a biological computer (so to speak) as an undergraduate? 154.20.187.23 09:03, 5 December 2006 (UTC)[reply]

as you can see above, the moderator has requested that I confine the discussion page to matters directly related to improving the article. I included my e-mail such that you can contact me directly. My initial interest at an undergraduate level was computational complexity, but I'm glad I choose Artificial intelligence instead. E-mail me if you have any more questions, I have to edit this page and remove most of these comments. Paskari 10:19, 5 December 2006 (UTC)[reply]

There's more flexibility in open dialogue when it comes to user talk pages. It's just that with upcoming film articles that I watch, one topic of general discussion tends to encourage further general discussion, hence the revert of your comments. For user talk pages, a lenient interpretation of having open dialogue (in this case, about biological computers) is so that one editor can have a better understanding of another editor's background. As long as you don't treat the user talk page as a forum about biological computers, you know? Hope you understand. --Erik (^talk/_contrib) @ 22:14, 5 December 2006 (UTC)[reply]

Animals by number of neurons

I've added the "{{prod}}" template to the article Animals by number of neurons, suggesting that it be deleted according to the proposed deletion process. All contributions are appreciated, but I don't believe it satisfies Wikipedia's criteria for inclusion, and I've explained why in the deletion notice (see also "What Wikipedia is not" and Wikipedia's deletion policy). Please either work to improve the article if the topic is worthy of inclusion in Wikipedia, or, if you disagree with the notice, discuss the issues at Talk:Animals by number of neurons. You may remove the deletion notice, and the article will not be deleted, but note that it may still be sent to Articles for Deletion, where it may be deleted if consensus to delete is reached, or if it matches any of the speedy deletion criteria. -- Donald Albury 00:53, 7 December 2006 (UTC)[reply]

Gynecomastia

Whilst I would agree that Image:Male breast before.jpg seems to show Gynecomastia, is Image:Male breast after.jpg really of post-reduction and specifically of "the same male" as you stated ? What is the source for the images - for unless they are pictures taken by yourself, then you are not "the creator of this work" as you have indicated on the images licensing, but rather a modifier or uploader of a work - without a source how can we know whether the original was work licensed under GFGL ? David Ruben ^Talk 12:45, 12 December 2006 (UTC)[reply]

I just put it up as a joke since no one was taking that site seriously, I'll go ahead and remove the second picture Paskari 13:06, 12 December 2006 (UTC)[reply]

Image tagging for Image:Ryan Stiles.jpg

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Talk page (STDP)

Note that the talk page isn't really to discuss the subject, but rather to discuss the article. I went ahead and answered your question below. Psyklic 06:20, 22 February 2007 (UTC)[reply]

The window that exists, whereby the prsynaptic neuron has to fire before the postsynaptic neuron does, is that because it takes time for the ions to propogate down the presynaptic axon, then get release into the synaptic cleft, and finally taken up by the post synaptic neuron? Intuitively this makes sense, but I haven't read about it anywhere. Paskari 11:44, 20 February 2007 (UTC)

There are a variety of different mechanisms for STDP, most unknown. However, what you describe is one major mechanism for STDP potentiation. The NMDA receptor requires glutamate to bind extracellularly simultaneously with a postsynaptic depolarization to remove the Mg2+ block. Note that ions do not really propagate down the axon (the opening of Na+ channels create a fresh influx of Na+ ions at farther lengths), and the ions themselves are not released into the cleft. Instead, vesicles containing neurotransmitters (in this case, glutamate) are exocytosed into it, facilitated by a Ca2+ influx once Na+ depolarizes the bouton. Psyklic 05:57, 22 February 2007 (UTC)

I should also note that the "window" is also a misnomer. The STDP "curve" for hippocampal cells indeed shows depression when the postsynaptic spike occurs before the presynaptic spike and potentiation otherwise (ie Bi and Poo), but the actuality is that most STDP curves are asymmetric. For instance, at the neuromuscular junction there exists only a potentiation region (~Gaussian) with a nonassociative component. In neocortex, there are cells which (surprisingly) only seem to have a depression component. In pyramidal cells, the "typical" Bi and Poo curve is seen, only with an elongated depression region. And finally, even in hippocampal cells, there is a debate as to whether a separate depression region exists inside the Bi and Poo potentiation region! Psyklic 06:06, 22 February 2007 (UTC)

Images listed for deletion

Some of your images or media files have been listed for deletion. Please see Wikipedia:Images and media for deletion if you are interested in preserving them.

Thank you. Boochan 12:06, 18 March 2007 (UTC)[reply]

Subpages

Hi. I've moved a couple of your user pages to subpages, as the titles of these pages — User:Paskari page1, for example — are designed for users with that name ("Paskari page1"). An easy solution to this is for us to use subpages. Please see Wikipedia:Subpages for more on how this works. I've moved the following pages:

Let me know if you have any questions. Thanks! — Rebelguys2 ^talk 17:53, 18 March 2007 (UTC)[reply]

Copyvio

Hello, and welcome to Wikipedia! We welcome and appreciate your contributions, such as Localized Graded Potential, but we regretfully cannot accept copyrighted text or images borrowed from either web sites or printed material. This article appears to be a direct copy from http://www.fortunecity.com/greenfield/buzzard/387/gradedpot.htm, and therefore a copyright violation. The copyrighted text has been or will soon be deleted.

If you believe that the article is not a copyright violation, or if you have permission from the copyright holder to release the content freely under the GNU Free Documentation License (GFDL) then you should do one of the following:

If you have permission from the author leave a message explaining the details at Talk:Localized Graded Potential and send an email with the message to "permissions-en (at) wikimedia (dot) org". See Wikipedia:Requesting copyright permission for instructions.
If a note on the original website states that re-use is permitted under the GFDL or released into the public domain leave a note at Talk:Localized Graded Potential with a link to where we can find that note.
If you own the copyright to the material: send an e-mail from an address associated with the original publication to permissions-en(at)wikimedia(dot)org or a postal message to the Wikimedia Foundation permitting re-use under the GFDL, and note that you have done so on Talk:Localized Graded Potential.

It is also important that the text be modified to have an encyclopedic tone and that it follows Wikipedia article layout. For more information on Wikipedia's policies, see Wikipedia's policies and guidelines.

If you would like to begin working on a new version of the article you may do so at Talk:Localized Graded Potential/Temp. Leave a note at Talk:Localized Graded Potential saying you have done so and an administrator will move the new article into place once the issue is resolved. Thank you, and please feel welcome to continue contributing to Wikipedia. Happy editing! -- Rick Block (talk) 03:02, 28 March 2007 (UTC)[reply]

Synaptic plasticity

Why don't you put a draft (or an outline) of the article in my Talk page and then I'll do the same for a draft of the short-term plasticity article here. Cheers, Xargque (talk) 18:54, 7 July 2008 (UTC)[reply]

Active zones

Hi,

The neuromuscular junction and some CNS synapses (such as the Calyx of held) have many active zones (see page 512 of Sudhof, Annu Rev Neurosci 27:509-547 for a short discussion of the Calyx). Another example is the ribbon synapse, which is discussed in: Zhai RG, Bellen HJ. The architecture of the active zone in the presynaptic nerve terminal. Physiology (Bethesda). 2004 Oct;19:262-70. Review. PMID: 15381754 [PubMed - indexed for MEDLINE].

Another example is the mossy fiber in the hippocampus, which appears to have ~25 AZ's per synapse: Rollenhagen A, Sätzler K, Rodríguez EP, Jonas P, Frotscher M, Lübke JH. Structural determinants of transmission at large hippocampal mossy fiber synapses. J Neurosci. 2007 Sep 26;27(39):10434-44. PMID: 17898215 [PubMed - indexed for MEDLINE].

The above examples are all exceptionally large synapses. Most CNS synapses have 1 active zone. It's actually hard to find a reference for this, because most papers just talk about the active zone, with the assumption that the reader assumes 1 unless told otherwise. Typical hippocampal excitatory ("asymmetric") and inhibitory ("symmetric") synapses with one active zone each can be seen in this reference: Ferraguti F, Klausberger T, Cobden P, Baude A, Roberts JD, Szucs P, Kinoshita A, Shigemoto R, Somogyi P, Dalezios Y. Metabotropic glutamate receptor 8-expressing nerve terminals target subsets of GABAergic neurons in the hippocampus. J Neurosci. 2005 Nov 9;25(45):10520-36. PMID: 16280590 [PubMed - indexed for MEDLINE]

This type of excitatory and inhibitory synapse is the most common in the cerebral cortex and hippocampus. Another type of large, multi-active zone synapse is the climbing fiber to purkinje cell synapse in the cerebellum. Compare this to the small synapses made by parallel fibers onto the purkinje cells.

Xargque (talk) 17:00, 8 July 2008 (UTC)[reply]

File:Jungle peter.JPG listed for deletion

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File:Paskari.jpg listed for deletion

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Notification of automated file description generation

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List of animals by number of neurons is up for deletion

Wikipedia:Articles for deletion/List of animals by number of neurons. Apparently the nominator forgot to tell you. Dream Focus 17:43, 29 December 2021 (UTC)[reply]

Hello Dream Focus. Please be advised that notifying the article creator is optional. Also, what do you mean by "apparently", are you implying foul play by the nominator? MrsSnoozyTurtle 00:11, 7 January 2022 (UTC)[reply]