The Neuro Image Quiz, Answers

Image of the month--quiz case.

A 68-YEAR-OLD MAN WAS ADMITTED TO THE hospital with fever, right loin pain, and right hip stiffness of 3 days’ duration. He has had 3 hospital admissions since February 2005 for right-sided psoas abscess. The abscess was treated with ultrasonographic-guided drainage twice, and 2 weeks before this admission, the patient had an open appendectomy through a Lanz incision with evacuation of the absc...

Correspondence to the image quiz by Kaymak et al.

We read the paper by Kaymak et al. published in the latest issue of your journal with great interest (1). In this paper, the authors have discussed the benefit of fetal magnetic resonance imaging (MRI) in the differential diagnosis of fluid filled structures over the calvarium. In the first step of evaluation they used 2D transabdominal ultrasonography and detected a cystic mass over the poster...

Answers for Image Interpretation Session

Collective Peer Evaluation of Quiz Answers in Large Classes through Pairwise Matching

Backstage is a a digital backchannel for large scale lectures in a university setting. It offers interaction to the participants through various means like annotations and quizzes, which can be given in a variety of styles. These include multiple choice or open answer. This thesis aims to provide an additional type of interaction: allowing participating students to submit their answers to probl...

Neuro Forum Behavioral significance of hippocampal theta oscillations: looking elsewhere to find the right answers

Young CK. Behavioral significance of hippocampal theta oscillations: looking elsewhere to find the right answers. J Neurophysiol 106: 497– 499, 2011. First published May 11, 2010; doi:10.1152/jn.00358.2011.— The function of hippocampal theta oscillations has been subjected to constant speculation. Dynamic coupling of theta field potentials and spiking activity between the hippocampus and extra-...