J Psychiatry Neurosci 2012;37(4)

Editorial

Illness comorbidity as a biomarker?
H. Anisman, S. Hayley

Research Papers

Behavioural therapy based on distraction alleviates impaired fear extinction in male serotonin transporter knockout rats
L.J.P. Nonkes, M. de Pooter, J.R. Homberg

Brain functional connectivity during induced sadness in patients with obsessive–compulsive disorder
L.F. Fontenelle, B.J. Harrison, J. Pujol, C.G. Davey, A. Fornito, E. Bora, C. Pantelis, M. Yücel

Altered resting-state amygdala functional connectivity in men with posttraumatic stress disorder
R.K. Sripada, A.P. King, S.N. Garfinkel, X. Wang, C.S. Sripada, R.C. Welsh, I. Liberzon

Decreased cognitive control in response to negative information in patients with remitted depression: an event-related potential study
M.-A. Vanderhasselt, R. De Raedt, D.G. Dillon, S.J. Dutra, N. Brooks, D.A. Pizzagalli

Nonlinear analysis of electroencephalogram at rest and during cognitive tasks in patients with schizophrenia
E. Carlino, M. Sigaudo, A. Pollo, F. Benedetti, T. Mongini, F. Castagna, S. Vighetti, P. Rocca

Ionotropic glutamate receptor mRNA editing in the prefrontal cortex: no alterations in schizophrenia or bipolar disorder
R. Lyddon, S. Navarrett, S. Dracheva

Association between the NMDA glutamate receptor GRIN2B gene and obsessive–compulsive disorder
P. Alonso, M. Gratacós, C. Segalàs, G. Escaramís, E. Real, M. Bayés, J. Labad, C. López-Solà, X. Estivill, J.M. Menchón

Psychopharmacology for the Clinician

Prophylaxis and treatment of bipolar disorder in older adults
C.L. Allan, K.P. Ebmeier