In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
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Dear freesurfer experts
In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
Knut Jørgen Bjuland
Hi Knut
Including Ron in the conversation. Of course outside striate cortex the mapping between folding and function isn’t so straightforward.
And Happy New Year to all! Bruce
From: freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu On Behalf Of Knut J Bjuland Sent: Saturday, January 1, 2022 8:03 AM To: Freesurfer Mailing List freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
External Email - Use Caution
Dear freesurfer experts
In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
Knut Jørgen Bjuland
External Email - Use Caution
Dear Bruce Fischl
I asked a question on 2021.1.2 about the exstrastriate cortex. Unfortunately, the response I got was a little confusing and didn't really clear it up for me "Including Ron in the conversation. Of course outside striate cortex the mapping between folding and function isn’t so straightforward.". So if you don't mind, I would like to reiterate my question: Which of the desikan-kiliany parcellations correspond to what is termed "extrastriate cortex"? Thank you!
Knut Jørgen Bjuland
On 02/01/2022 16:58, Fischl, Bruce wrote:
Hi Knut
Including Ron in the conversation. Of course outside striate cortex the mapping between folding and function isn’t so straightforward.
And Happy New Year to all! Bruce
*From:* freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu *On Behalf Of *Knut J Bjuland *Sent:* Saturday, January 1, 2022 8:03 AM *To:* Freesurfer Mailing List freesurfer@nmr.mgh.harvard.edu *Subject:* [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
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Dear freesurfer experts
In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
Knut Jørgen Bjuland
Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://secure-web.cisco.com/1foDZaj93b4CXUifksHoYtyRRrfeGVYUeMnrc5rbKVCwIhX... The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Mass General Brigham Compliance HelpLine athttp://http://secure-web.cisco.com/12__2ieg2F3ydI55-J0GcoidUxOkRT-WGkPziZCEj... . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail. Please note that this e-mail is not secure (encrypted). If you do not wish to continue communication over unencrypted e-mail, please notify the sender of this message immediately. Continuing to send or respond to e-mail after receiving this message means you understand and accept this risk and wish to continue to communicate over unencrypted e-mail.
Hi Knut
Can you be more specific about what you mean by extrastriate cortex? Do you mean all visual cortex that is not V1?
Bruce
From: Knut J Bjuland knutjorgen@outlook.com Sent: Wednesday, January 19, 2022 8:43 AM To: Fischl, Bruce BFISCHL@mgh.harvard.edu; Freesurfer Mailing List freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
External Email - Use Caution
Dear Bruce Fischl
I asked a question on 2021.1.2 about the exstrastriate cortex. Unfortunately, the response I got was a little confusing and didn't really clear it up for me "Including Ron in the conversation. Of course outside striate cortex the mapping between folding and function isn’t so straightforward.". So if you don't mind, I would like to reiterate my question: Which of the desikan-kiliany parcellations correspond to what is termed "extrastriate cortex"? Thank you!
Knut Jørgen Bjuland
On 02/01/2022 16:58, Fischl, Bruce wrote: Hi Knut
Including Ron in the conversation. Of course outside striate cortex the mapping between folding and function isn’t so straightforward.
And Happy New Year to all! Bruce
From: freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu On Behalf Of Knut J Bjuland Sent: Saturday, January 1, 2022 8:03 AM To: Freesurfer Mailing List freesurfer@nmr.mgh.harvard.edumailto:freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
External Email - Use Caution
Dear freesurfer experts
In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
Knut Jørgen Bjuland
_______________________________________________
Freesurfer mailing list
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Hi Bruce,
We're using FreeSurfer data from the parcellations to test hypotheses/models from the literature that include such terms as "extrastriate cortex". It is not always defined - but I guess the most common definition would be visual cortex that is not V1, as you suggest. Now, the lateral occipital cortex parcellation seems to me to contain a lot of extrastriate. Would you say calcarine sulcus = V1? And are there other parcellations, in addition to lateral occipital, that contain parts of visual non-V1 cortex? Thank you!
Knut
On 19/01/2022 16:20, Fischl, Bruce wrote:
Hi Knut
Can you be more specific about what you mean by extrastriate cortex? Do you mean all visual cortex that is not V1?
Bruce
*From:* Knut J Bjuland knutjorgen@outlook.com *Sent:* Wednesday, January 19, 2022 8:43 AM *To:* Fischl, Bruce BFISCHL@mgh.harvard.edu; Freesurfer Mailing List freesurfer@nmr.mgh.harvard.edu *Subject:* Re: [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
* External Email - Use Caution *
Dear Bruce Fischl
I asked a question on 2021.1.2 about the exstrastriate cortex. Unfortunately, the response I got was a little confusing and didn't really clear it up for me "Including Ron in the conversation. Of course outside striate cortex the mapping between folding and function isn’t so straightforward.". So if you don't mind, I would like to reiterate my question: Which of the desikan-kiliany parcellations correspond to what is termed "extrastriate cortex"? Thank you!
Knut Jørgen Bjuland
On 02/01/2022 16:58, Fischl, Bruce wrote:
Hi Knut Including Ron in the conversation. Of course outside striate cortex the mapping between folding and function isn’t so straightforward. And Happy New Year to all! Bruce *From:* freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edu> <mailto:freesurfer-bounces@nmr.mgh.harvard.edu> *On Behalf Of *Knut J Bjuland *Sent:* Saturday, January 1, 2022 8:03 AM *To:* Freesurfer Mailing List <freesurfer@nmr.mgh.harvard.edu> <mailto:freesurfer@nmr.mgh.harvard.edu> *Subject:* [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex? * External Email - Use Caution * Dear freesurfer experts In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex? Knut Jørgen Bjuland _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://secure-web.cisco.com/1cITDqGldcgnhAuTmpLBYG6T87AKWBQZsVlIVMT7yIv8FBW_cca1dM5VJeokr4pPnTynLsUWYvYn4i2ZL3KT3CzzdWMxa62naEqLxy7thCyDA9VewHTn2cqIW4ZYuzPqmzNutZYEfEoxO1P5kvuJlrU4M4dLhdJ2B4Cmey1GMT6ugty5pgvuSbJfp6cZwyQVPQIs8ryj4d1qlgaaFa11CvRwRHaGs-GKy1htHtShZAB7dMVPxIAnjYFjg26oLfTiPSA4Y5LdVoFSOBp0mlm1v7AunSoa0OJTghvnzP-GB0UDQF3TSHuFGqGq889P8dOB1/https%3A%2F%2Fmail.nmr.mgh.harvard.edu%2Fmailman%2Flistinfo%2Ffreesurfer <https://secure-web.cisco.com/12eZOPxm3AlJOZ3x0Zycb2-752ofa5vDWM53JrbnwhCNcBAOuffPiNQn0cuj7sdvzTzATqtA3AYElTlb2u1sG3FiO1pUcnjBfNfflFkF9CcRKDHMeQUsJZcpL-5YS-e-iPmgJcsMq7DE1DUXvrdCo0lIXmV2jfCRIrAGk0OPUAR_Wjo9_ypLBreA_st1sq_rldPddRKLZdeKppCY2YMc2kdTyam8zytCPGdebPxZO-qe5DRe8ix2VoXHUsa44AhmbLwLzdINwbfDEI3DzO84HE6mJ2YKo5P4Z1R4T0a5haEuqYoT0rYjYowIVBkAJmBkB/https%3A%2F%2Fmail.nmr.mgh.harvard.edu%2Fmailman%2Flistinfo%2Ffreesurfer> The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Mass General Brigham Compliance HelpLine athttp://http://secure-web.cisco.com/1ZMuBhr-hXLLzcv8u6nJADktbwr8yKHmMyahEeSio2XzdRRdhZqfNOcTzUHWNYZGNMecdCMr8NDnMPiF8W-U8JjGKa8vRIvm1hzRt82Ns7-5tnHJosNsTBtEUaryd7-X_-1QiYrkj8XkMJ72YlDb7LXjh2YRXm86Gbnpa32qh18PvpnVya_7Cm5LW_f8gbD7NKPFEALwxufOVuFXxPWUsfgWTF_4s1zpuY3mA8z3CzAGbX9tBJU6jMKa4gHrl-yJDW2YS7cyFP-WdD_rEOUAkDsW49N_ht5lrm14Hy8ChTIyY3h25f62tYSHIS1BFaCdH/http%3A%2F%2Fwww.massgeneralbrigham.org%2Fcomplianceline <http://secure-web.cisco.com/1aPWKfug07EusQ8CcWYdmTLr2HhR8W1w_5uhhgnEn3LTRqVzXBz5s8P3tMeT6tuiwwd-V-IofxHVqGqwhTM7fZNPAbMMErj9j-Tcx4ImMoZ-omS2uBnYhcfEQDuwLe2WLBeVdcNi61tmp2Q0mQR2UQubxe5B5e8xwIWKGPngpYj0U6wdaNftAl9pYUot-H1ytmJgPJeHvHJofqW2uwyaPfDDa-LLR8Myz-wYtal1mSl17y-RP-_eM-UJlBtAsqjopiVz21kqrRjwPsMrjhhik0E7unYoE2tRWjhogLXkC-Cz3aNODbV4nlIc5oBFvixbz/http%3A%2F%2Fwww.massgeneralbrigham.org%2Fcomplianceline> . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail. Please note that this e-mail is not secure (encrypted). If you do not wish to continue communication over unencrypted e-mail, please notify the sender of this message immediately. Continuing to send or respond to e-mail after receiving this message means you understand and accept this risk and wish to continue to communicate over unencrypted e-mail.The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Mass General Brigham Compliance HelpLine at http://secure-web.cisco.com/1ZMuBhr-hXLLzcv8u6nJADktbwr8yKHmMyahEeSio2XzdRRd... . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
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Hi Knut
Yes, calcarine is a pretty good guess for location of V1, although we also produce an explicit estimate in the *exvivo* label files.
And sorry, I don’t know Ron and Rahul’s parcels well enough to say what combo would give you visual cortex Bruce
From: Knut J Bjuland knutjorgen@outlook.com Sent: Thursday, January 20, 2022 9:56 AM To: Fischl, Bruce BFISCHL@mgh.harvard.edu; Freesurfer Mailing List freesurfer@nmr.mgh.harvard.edu Cc: Killiany, Ronald killiany@bu.edu Subject: Re: [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
External Email - Use Caution Hi Bruce,
We're using FreeSurfer data from the parcellations to test hypotheses/models from the literature that include such terms as "extrastriate cortex". It is not always defined - but I guess the most common definition would be visual cortex that is not V1, as you suggest. Now, the lateral occipital cortex parcellation seems to me to contain a lot of extrastriate. Would you say calcarine sulcus = V1? And are there other parcellations, in addition to lateral occipital, that contain parts of visual non-V1 cortex? Thank you!
Knut
On 19/01/2022 16:20, Fischl, Bruce wrote: Hi Knut
Can you be more specific about what you mean by extrastriate cortex? Do you mean all visual cortex that is not V1?
Bruce
From: Knut J Bjuland knutjorgen@outlook.commailto:knutjorgen@outlook.com Sent: Wednesday, January 19, 2022 8:43 AM To: Fischl, Bruce BFISCHL@mgh.harvard.edumailto:BFISCHL@mgh.harvard.edu; Freesurfer Mailing List freesurfer@nmr.mgh.harvard.edumailto:freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
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Dear Bruce Fischl
I asked a question on 2021.1.2 about the exstrastriate cortex. Unfortunately, the response I got was a little confusing and didn't really clear it up for me "Including Ron in the conversation. Of course outside striate cortex the mapping between folding and function isn’t so straightforward.". So if you don't mind, I would like to reiterate my question: Which of the desikan-kiliany parcellations correspond to what is termed "extrastriate cortex"? Thank you!
Knut Jørgen Bjuland
On 02/01/2022 16:58, Fischl, Bruce wrote: Hi Knut
Including Ron in the conversation. Of course outside striate cortex the mapping between folding and function isn’t so straightforward.
And Happy New Year to all! Bruce
From: freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu On Behalf Of Knut J Bjuland Sent: Saturday, January 1, 2022 8:03 AM To: Freesurfer Mailing List freesurfer@nmr.mgh.harvard.edumailto:freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
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Dear freesurfer experts
In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
Knut Jørgen Bjuland
_______________________________________________
Freesurfer mailing list
Freesurfer@nmr.mgh.harvard.edumailto:Freesurfer@nmr.mgh.harvard.edu
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Hi Knut,
That's a good question. Anatomically striate cortex is located in the occipital lobe and is identified by a stripe of white matter that runs through the center of it. While this stripe is visible by the naked eye in gross specimens it is not well visualized on most 1.0 mm isotropic images. Bruce is correct, the ex vivo images Bruce has been generating would be the best way to identify striate from extrastriate.
I would say that the "best" operational definition based on our labels would be paracalcarine as V1 (striate) and then cuneus as extrastriate (perhaps also adding superior aspects of lingual region. On the lateral surface it is much harder. V1 would be considered the occipital pole and V2 etc rings around the pole.
I hope that helps - best of luck in your work.
--ron
On Thu, Jan 20, 2022 at 11:43 AM Fischl, Bruce BFISCHL@mgh.harvard.edu wrote:
Hi Knut
Yes, calcarine is a pretty good guess for location of V1, although we also produce an explicit estimate in the *exvivo* label files.
And sorry, I don’t know Ron and Rahul’s parcels well enough to say what combo would give you visual cortex
Bruce
*From:* Knut J Bjuland knutjorgen@outlook.com *Sent:* Thursday, January 20, 2022 9:56 AM *To:* Fischl, Bruce BFISCHL@mgh.harvard.edu; Freesurfer Mailing List < freesurfer@nmr.mgh.harvard.edu> *Cc:* Killiany, Ronald killiany@bu.edu *Subject:* Re: [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
External Email - Use Caution *Hi Bruce,
We're using FreeSurfer data from the parcellations to test hypotheses/models from the literature that include such terms as "extrastriate cortex". It is not always defined - but I guess the most common definition would be visual cortex that is not V1, as you suggest. Now, the lateral occipital cortex parcellation seems to me to contain a lot of extrastriate. Would you say calcarine sulcus = V1? And are there other parcellations, in addition to lateral occipital, that contain parts of visual non-V1 cortex? Thank you!
Knut
On 19/01/2022 16:20, Fischl, Bruce wrote:
Hi Knut
Can you be more specific about what you mean by extrastriate cortex? Do you mean all visual cortex that is not V1?
Bruce
*From:* Knut J Bjuland knutjorgen@outlook.com knutjorgen@outlook.com *Sent:* Wednesday, January 19, 2022 8:43 AM *To:* Fischl, Bruce BFISCHL@mgh.harvard.edu BFISCHL@mgh.harvard.edu; Freesurfer Mailing List freesurfer@nmr.mgh.harvard.edu freesurfer@nmr.mgh.harvard.edu *Subject:* Re: [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
External Email - Use Caution *Dear Bruce Fischl
I asked a question on 2021.1.2 about the exstrastriate cortex. Unfortunately, the response I got was a little confusing and didn't really clear it up for me "Including Ron in the conversation. Of course outside striate cortex the mapping between folding and function isn’t so straightforward.". So if you don't mind, I would like to reiterate my question: Which of the desikan-kiliany parcellations correspond to what is termed "extrastriate cortex"? Thank you!
Knut Jørgen Bjuland
On 02/01/2022 16:58, Fischl, Bruce wrote:
Hi Knut
Including Ron in the conversation. Of course outside striate cortex the mapping between folding and function isn’t so straightforward.
And Happy New Year to all! Bruce
*From:* freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu *On Behalf Of *Knut J Bjuland *Sent:* Saturday, January 1, 2022 8:03 AM *To:* Freesurfer Mailing List freesurfer@nmr.mgh.harvard.edu freesurfer@nmr.mgh.harvard.edu *Subject:* [Freesurfer] In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
External Email - Use Caution *Dear freesurfer experts
In the Desikan-Killiani parcellatino scheme, which parcellations contain the extrastriate cortex?
Knut Jørgen Bjuland
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Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://secure-web.cisco.com/1ep1AuCCrset1hRlvt7iWb-GaDUYi13VhTYIU4cXSJ_nBAz...
freesurfer@nmr.mgh.harvard.edu
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Fischl, Bruce -
Knut J Bjuland -
Ron Killiany