1. An automatic, involuntary behavioral response to a stimulus that occurs without conscious thought or deliberation
The doctor tested the patient's reflex behavior by tapping the knee with a small hammer.
O médico testou o comportamento reflexo do paciente batendo no joelho com um pequeno martelo.
2. In psychology and biology, an innate or instinctive reaction that is controlled by the nervous system rather than the brain's conscious processes
Pulling your hand away from a hot stove is a reflex behavior.
Afastar a mão de um fogão quente é um comportamento reflexo.