impulse vs nervous impulse

impulse and nervous impulse both are nouns.

Word	Noun	Adjective	Verb	Adverb
impulse	Yes	No	No	No
nervous impulse	Yes	No	No	No

As nouns, impulse and nervous impulse are synonyms defined as:

impulse and nervous impulse: the electrical discharge that travels along a nerve fiber

Other synonyms of impulse include nerve impulse, neural impulse.

impulse (noun)	nervous impulse (noun)
the act of applying force suddenly	the electrical discharge that travels along a nerve fiber
an impelling force or strength
the electrical discharge that travels along a nerve fiber
(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
a sudden desire
an instinctive motive