The terms retinal migraine and ocular migraine are often confused with visual migraine, which is a far-more-common symptom of vision loss, resulting from the aura phase of the common migraine. The aura phase of migraine can occur with or without a headache.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  mentalism(Noun) The doctrine that physical reality exists only because of the mind's awareness. 2  mentalism(Noun) Activities such as mind reading, especially when used by performers.
Psychology Glossary. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z. Materialism. Materialism is a philosophical position that states that everything in existence is composed of physical matter and therefore subject to the laws of physics. It states that physical matter comprises everything in the universe and all things, even mental processes and consciousness, results from matter and its movement.