Sylvius 4 Online
Important Note: Do not use this form if you purchased/registered on Oxford Learning Link. If you purchased/registered on Oxford Learning Link, you will have received an email with instructions on how to complete your registration.

Account Registration

Please fill out the form below to register your Sylvius 4 Online code and create an account. All bold fields are required. Each code can be used by only one email address.

Your Information
First Name
Last Name
Street Address
ZIP Code
Email Address
You will use this address to log in, please make sure it is correct.
If you ever need to do a password recovery, it will be sent from Please add this address to your address book/whitelist if you are using spam filtering.
Create Password
At least 8 characters are required. Case matters!
Confirm Password
Registration Code
(include dashes)
Need a code? Purchase one here.
This form will accept codes from previous versions of Sylvius 4 as well. Notes on different code formats.
I agree to the Terms of Use below.

Our Privacy Policy sets out how Oxford University Press handles your personal information, and your rights to object to your personal information being used for marketing to you or being processed as part of our business activities.

We will only use your personal information to register an account to access this product and to respond to queries (i.e. technical support) regarding this product.

Notes on Code Formats: Sylvius 4 had two different code formats depending on how it was sold. Sylvius 4 Online has it's own format as well. Any previously unused code for either Sylvius 4 or Sylvius 4 Online will work on this page. Your code will be in one of the following formats.

Short name Code format Platform description
Code details
Sylvius 4 Standalone XXXX-XXXX-XXXX-XXXX These codes were sold on cards in bookstores or direct to users online.
X can be an uppercase letter, a lowercase letter or a number.
Sylvius 4 Companion 6953-XXXXX-XXXX-XXXX These codes were included in Neuroscience and Cognitive Neuroscience along with some printed cards sold in bookstores.
X can be an uppercase letter or a number. The letter O is not used in any code.
If you a character that you think is the letter O, please make sure it isn't the letter Q or the number 0 (zero).
Sylvius 4 Online 9695-XXXXX-XXXXX-XXXXX These are the new codes specifically for this product.
X will be an uppercase consonant or a number. X will not be A, E, I, O, U nor the letter Q.

Additional note to our Scandinavian customers with printed codes: The round number with the slash in it that looks like is the number zero (0), not the letter Ø.

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