… Andreasen NC: Scale for the Assessment of Negative Symptoms (SANS). Iowa City, The …
Andreasen NC: Affective flattening and the criteria for schizophrenia. Am J Psychiatry 1979;…

… A second foray was made on another major Bleulerian symptom, affective blunting, through
the development of an affect rating scale (Andreasen, 1979a). This study also indicated that …

Rates of mental illness were examined in 30 creative writers, 30 matched control subjects,
and the first-degree relatives of both groups. The writers had a substantially higher rate of …

… O’Leary DS, Flaum M, Kesler ML, Flashman LA, Arndt S, Andreasen NC: Cognitive correlates
… Andreasen NC, Olsen S: Negative v positive schizophrenia: definition and validation. Arch …

… Nopoulos, PC; Swayze, V.; and Andreasen, NC Pattern of brain morphology in patients
with schizophrenia and large cavum septi pellucidi. Journal of Neuropsychiatry and Clinical …

… Andreasen NC. Affective flattening and the criteria for … Andreasen NC. Methods for assessing
positive and negative … Arndt S, Alliger RJ, Andreasen NC. The distinction of positive and …

Finding a unifying concept behind the diversity of signs and symptoms in schizophrenia is a
central challenge to contemporary research. A neo-Bleulerian unitary model is described, …

The distinction of positive and negative symptoms in describing schizophrenic patients has
become popular. It presupposes that symptoms cluster in two dimensions, fitting together not …

… Andreasen NC. The clinical assessment of thought, language, and communication disorders,
I: the definition … Andreasen NC. The clinical assessment of thought, language, and com- …

Discusses the mental disorder schizophrenia. Signs and symptoms; Relationship between
cognitive systems and schizophrenia; Categorizing symptoms into positive and negative …