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Travel & Visa Information

We look forward to welcoming attendees to ºÚÁÏÉç 2025 November 15–19 in San Diego. 

Non-U.S. residents may need a visa to enter the United States for ºÚÁÏÉç 2025. If you already have a U.S. visa, check the expiration date to ensure your visa will not expire before or during your planned travel dates. Citizens of countries meeting the visa waiver criteria do not need a visa to enter the United States. If you are eligible to travel on the Visa Waiver Program, but prefer to have a visa in your passport, you may still apply for a Business (B-1) visa. A list of countries participating in the (VWP) can be found on the State Department website.

Obtaining a Visa

After identifying that a visa is needed, foreign travelers should contact the U.S. Embassy Consular Section in their country to determine visa processing time frames. For up-to-date information, access the .

Requesting a Letter of Invitation from SfN

Request a Visa Letter

After completing the form, applicants will be able to download as a PDF an official letter inviting them to attend ºÚÁÏÉç 2025.

Abstract presenters can download a letter of invitation that includes their abstract title by entering their abstract's control/tracking number. This number is found at the top of the screen in your Review My Work summary page in your abstract submission or on the receipt as the Control/Invoice number. Please only enter the 4- or 5-digit text in the middle of the number, for example: 12345, not 2025-S-12345-SfN. For questions about your control number, please email program@sfn.org.

Attendees who plan to attend ºÚÁÏÉç 2026 can now also download an invitation letter by selecting ºÚÁÏÉç 2026 in the visa letter request form.

Review helpful tips for navigating travel to and from the United States.