Notar vs. darse cuenta vs. fijarse vs. percatarse

In Spanish, the words 'notar', 'darse cuenta', 'fijarse', and 'percatarse' all generally mean 'to notice' or 'become aware of', but their usage can vary based on context. Here is a deeper look into how these four verbs differ.

Notar

'Notar' implies feeling, noticing or acknowledging a modification, sensation, or presence of something.
No he notado ningún cambio en tu comportamiento.
(I haven't noticed any change in your behavior.)
¿Has notado el sabor picante de este plato?
(Have you noticed the spicy taste of this dish?)

Darse cuenta

'Darse cuenta' is used to become aware of an idea or come to a realization. It usually happens suddenly.
Me di cuenta tarde de que me había dejado la cartera en casa.
(I realized too late that I had left my wallet at home.)
No se dio cuenta de que estaba en peligro.
(She did not realize she was in danger.)

Fijarse

'Fijarse' indicates taking notice, or paying careful attention to details. It often implies intentionality.
Si te fijas, puedes ver la Torre Eiffel desde aquí.
(If you pay attention, you can see the Eiffel Tower from here.)
Fíjate bien donde pones los pies.
(Pay close attention to where you are stepping.)

Percatarse

'Percatarse' suggests becoming conscious or aware of something that may have previously gone unnoticed.
Se percató de su error demasiado tarde.
(He became aware of his mistake too late.)
No se percató del cambio de hora.
(She didn't notice the time change.)

Summary

In summary, while these Spanish words all revolve around the concept of noticing or becoming aware, there are subtle differences. 'Notar' often refers to noticing physical changes or sensations, 'darse cuenta' refers to coming to a realization usually sudden, 'fijarse' prompts intentional focus on details and 'percatarse' suggests becoming conscious of something previously unnoticed.