the condition that you are describing appears to be aphasia. this is a brain disorder and most likely of the expressive type. expressive meaning that you know what you want to say but cannot find the correct word to say it. see the following webmd article by accessing its content from the link below: <link> some of your other symptoms like migraine headaches leg twitching and blurred vision suggest a neurological defect. these neurological defects are sometimes seen in stokes tia's (trans ischemic attach) head injuries and epilepsy .
what does it mean when you say something but are trying to say something else? i said apple but meant park. this keeps happening also i get migraines and blurred vision and there is a nerve twitch in my leg.