Developed by memory expert Dr. Michael M. Gruneberg, Instant Recall Portuguese offers a proven method to help you build vocabulary and learn basic grammar instantly. All you need to do is listen, picture mental images, and then respond to the tests.For example: The Portuguese for shrimp is camarĂ£o. Imagine a shrimp with a camera on its head; then keep this picture in your mind for about 10 seconds, until the next word is presented. After a set if 8 to10 words, you are tested on what you have learned. Within 10 to 12 hours, you will have a solid foundation of vocabulary and grammar to communicate confidently.