N400 or N-400 may refer to:
*
N400 (neuroscience)
The N400 is a component of time-locked EEG signals known as event-related potentials (ERP). It is a negative-going deflection that peaks around 400 milliseconds post-stimulus onset, although it can extend from 250-500 ms, and is typically maximal ...
, an event-related potential component elicited by meaningful stimuli (words, pictures, etc.)
*
N-400 road (Spain), a highway connecting Toledo to Cuenca
*
Honda N400, a car similar to the Honda N360
* Samsung N400, a mobile phone by
Samsung
Samsung Group (; stylised as SΛMSUNG) is a South Korean Multinational corporation, multinational manufacturing Conglomerate (company), conglomerate headquartered in the Samsung Town office complex in Seoul. The group consists of numerous a ...
*
Form N-400
Form N-400 is used to apply for US citizenship through the naturalization process. Lawful permanent residents (also known as green card holders) of the United States, who meet the eligibility requirements, can file N-400 form to request citizen ...
,
United States Citizenship and Immigration Services
United States Citizenship and Immigration Services (USCIS) is an agency of the United States Department of Homeland Security (DHS) that administers the country's naturalization and Immigration to the United States, immigration system.
History
...
application for naturalization
* A variant of the
Aston Martin V8 Vantage car
*
Chevrolet N400, branding of the Wuling Hongguang V in Latin American markets
{{Letter-Number Combination Disambiguation