Lonser et al. evaluated convection-enhanced delivery of glucocerebrosidase co-infused with a surrogate MRI tracer (gadolinium-DTPA) in the CNS. The authors used this delivery paradigm to perfuse targeted brain and brainstem sites in a patient with neuronopathic Gaucher disease during MRI enzyme distribution in real-time. see page 254 Many patients report that they can identify periods of increased risk for seizure. Haut et al. assessed seizure self-prediction in a prospective seizure diary study. Twenty percent of their subjects successfully self-predicted seizures; a positive prediction was associated with a 3.1-fold increase in risk of a seizure. see page 262 Krauss et al. found that four of their six patients with seizure-assist dogs had psychogenic nonepileptic seizures rather than epilepsy. Seizure-assist dogs may provide companionship and help patients during seizures; however, this series shows the importance of accurately diagnosing epilepsy in patients prior to their obtaining specially trained service animals. see page 308 Doherty and Haltiner present a patient with psychogenic nonepileptiform events who claimed her dog alerted her to her impending seizure. Seizure alert dog studies are critically reviewed in light …