hallucination

• Substantivo que designa a percepção de algo que não está presente, frequentemente vivenciada como uma ilusão sensorial ou uma crença falsa.

A noun referring to a perception of something that is not present, often experienced as a sensory illusion or false belief.

1. False sensory perceptionB2formalmedical

   An experience involving the perception of something that is not present, such as seeing, hearing, or feeling things that do not exist.

   Alucinação

   • The patient reported auditory hallucinations, hearing voices that weren't there.
   • Visual hallucinations can be caused by certain medications or sleep deprivation.
   • He experienced a hallucination of a bright light in the corner of the room.

2. AI model errorC1formaltechnical

   An incorrect or fabricated response generated by an artificial intelligence model that appears plausible but is factually wrong.

   Alucinação

   • The chatbot produced a hallucination, claiming a historical event that never happened.
   • Researchers are working to reduce hallucinations in large language models.
   • The AI's hallucination gave a convincing but entirely false explanation.

   Sinônimosconfabulationfabricationfalsehoodinvention

   Antônimosaccuracyfactgroundingtruth