Do Positive Schizotypal Symptoms Predict False Perceptual Experiences in Nonclinical Populations?

Do positive schizotypal symptoms predict false perceptual experiences in nonclinical populations?

We examined whether positive schizotypy (i.e., reports of hallucinatory and delusional-like experiences) in nonclinical participants could predict false perceptual experiences during detection of fast-moving words beyond a possible response bias. The participants (N = 160) were assigned to one of two conditions: they were asked either to make presence/absence judgments (loose criterion) or to r...

"False positive" claims of near-death experiences and "false negative" denials of near-death experiences.

Some persons who claim to have had near-death experiences (NDEs) fail research criteria for having had NDEs ("false positives"); others who deny having had NDEs do meet research criteria for having had NDEs ("false negatives"). The author evaluated false positive claims and false negative denials in an organization that promotes near-death research and in psychiatric outpatients. The frequency ...

What do we do with all the false-positive CA125s?

To cite: Wilkes S, Edmondson R. J Fam Plann Reprod Health Care 2013;39:160–162. BACKGROUND In their article, Low et al. have demonstrated a poor awareness of ovarian cancer symptoms among their study population of 1000 UK women. They go on to describe factors associated with delay in help-seeking behaviour of women with symptoms that could be associated with ovarian cancer. These include being ...

Naturalistic change in nonclinical paranoid experiences.

BACKGROUND Numerous studies have shown that paranoia is common in the nonclinical population; however, little research has examined whether nonclinical paranoid beliefs change over time, or considered potential reasons for change. AIMS The aim of the present study was therefore to examine naturalistic change in nonclinical paranoid experiences. METHOD 60 participants described an idiosyncra...

Psychotic-like Experiences in Nonclinical Adolescents