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Robert Kamper

ScienceDirect - Personality and Individual Differences : Caffeine, stress, and pronenes... - 0 views

www.sciencedirect.com/science

coffee hallucination persecutory ideation

shared by Robert Kamper on 18 Jan 09 - Cached
  • Caffeine, stress, and proneness to psychosis-like experiences: A preliminary investigation
  • cortisol released in response to stressors is proposed to play a role in the development of psychotic experiences. Individual differences in cortisol response to stressors are therefore likely to play a role in proneness to psychotic experiences.
  • Caffeine intake, stress, hallucination-proneness and persecutory ideation were assessed by self-report questionnaires in a non-clinical sample (N = 219). Caffeine intake was positively related to stress levels and hallucination-proneness, but not persecutory ideation. When stress levels were controlled for, caffeine intake predicted levels of hallucination-proneness but not persecutory ideation.
  • ...1 more annotation...
  • Keywords: Coffee; Hallucination; Persecutory ideation; Psychosis; Schizophrenia; Tea
  • Robert Kamper on 18 Jan 09
     
    study using SELF REPORT QUESTIONNAIRES on relationship of caffeine, stress, and proneness to psychosis like experiences
Heather McQuaid

Collaborative fixation: Effects of others' ideas on brainstorming - Kohn - 2010 - Appli... - 0 views

onlinelibrary.wiley.com/...DE05697A72CC90D3A6B9839.d02t04

collaboration creativity ideation brainstorming cognitive psychology

shared by Heather McQuaid on 23 Nov 11 - No Cached
  • Heather McQuaid on 23 Nov 11
     
    Three experiments examined whether or not fixation effects occur in brainstorming as a function of receiving ideas from others. Exchanging ideas in a group reduced the number of domains of ideas that were explored by participants. Additionally, ideas given by brainstormers conformed to ideas suggested by other participants. Temporal analyses showed how the quantity, variety and novelty of ideas fluctuate over the course of a brainstorming session. Taking a break modulated the natural decline over time in the quantity and variety of ideas. Although fixation was observed in brainstorming in terms of conformity and restriction of the breadth of ideas, it did not influence the number of ideas generated in these experiments.
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