NMDA receptors and place cells Today’s papers How do we find region specific promotors? • By accident • By creating a database of expression patterns. The Allen brain institute • http://www.brainatlas.org/aba/ Don’t miss • http://web.mit.edu/picower/events/symposium.html Questions for next week. • Wiltgen et al. – What does the hippocampus contribute to contextual fear learning? • Moita et al. – What is the “trade off” that is necessary when using place cell analysis to study fear memory?