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1.
  • Johansson, Kenneth, et al. (författare)
  • Heder, ära och skam : Bibeln och lagen
  • 2005
  • Ingår i: Hedersmord : tusen år av hederskulturer.. - Historiska Media. - 91-89442-39-3 ; s. 77-100
  • Bokkapitel (övrigt vetenskapligt)
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  • Fretts, Amanda M., et al. (författare)
  • Consumption of meat is associated with higher fasting glucose and insulin concentrations regardless of glucose and insulin genetic risk scores : a meta-analysis of 50,345 Caucasians
  • 2015
  • Ingår i: American Journal of Clinical Nutrition. - 0002-9165. ; 102:5, s. 1266-1278
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Recent studies suggest that meat intake is associated with diabetes-related phenotypes. However, whether the associations of meat intake and glucose and insulin homeostasis are modified by genes related to glucose and insulin is unknown. Objective: We investigated the associations of meat intake and the interaction of meat with genotype on fasting glucose and insulin concentrations in Caucasians free of diabetes mellitus. Design: Fourteen studies that are part of the Cohorts for Heart and Aging Research in Genomic Epidemiology consortium participated in the analysis. Data were provided for up to 50,345 participants. Using linear regression within studies and a fixed-effects meta-analysis across studies, we examined l) the associations of processed meat and unprocessed red meat intake with fasting glucose and insulin concentrations; and 2) the interactions of processed meat and unprocessed red meat with genetic risk score related to fasting glucose or insulin resistance on fasting glucose and insulin concentrations. Results: Processed meat was associated with higher fasting glucose, and unprocessed red meat was associated with both higher fasting glucose and fasting insulin concentrations after adjustment for potential confounders [not including body mass index (BMI)]. For every additional 50-g serving of processed meat per day, fasting glucose was 0.021 mmol/L (95% CI: 0.011, 0.030 mmol/L) higher. Every additional 100-g serving of unprocessed red meat per day was associated with a 0.037-mmol/L (95% CI: 0.023, 0.051-mmol/L) higher fasting glucose concentration and a 0.049-1n-pmon (95% CI: 0.035, 0.063-1n-pmol/L) higher fasting insulin concentration. After additional adjustment for BMI, observed associations were attenuated and no longer statistically significant. The association of processed meat and fasting insulin did not reach statistical significance after correction for multiple comparisons. Observed associations were not modified by genetic loci known to influence fasting glucose or insulin resistance. Conclusion: The association of higher fasting glucose and insulin concentrations with meat consumption was not modified by an index of glucose- and insulin-related single-nucleotide polymorphisms.
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8.
  • Hooge, Ignace, et al. (författare)
  • Properties of post-saccadic oscillations induced by eye trackers
  • 2013
  • Ingår i: Book of Abstracts of the 17th European Conference on Eye Movements, 11-16 August 2013, in Lund, Sweden. Journal of Eye Movement Research. - 1995-8692. ; 6:3, s. 252-252
  • Annan publikation (refereegranskat)
9.
  • Johansson, Roger, et al. (författare)
  • Eye movements play an active role when visuospatial information is recalled from memory
  • 2012
  • Ingår i: Journal of Vision. ; 12:9
  • Konferensbidrag (refereegranskat)abstract
    • Whilst it has been established that spontaneous eye movements occur with visual imagery and that they are comparable with those from an original scene inspection (e.g., Brandt & Stark, 1997; Johansson, Holsanova, & Holmqvist, 2006), the exact purpose of these eye movements has been a hot topic of debate (cf., Ferreira et al., 2008; Richardson et al., 2009). Do they have an active and functional role in memory retrieval or are they merely an epiphenomenon? In a recent study we reported that when eye movements were prohibited for participants who orally described pictures from memory, their recollections became altered and impaired (Johansson, Holsanova, Dewhurst, & Holmqvist, (in press). Journal of Experimental Psychology: Human Perception and Performance). The current study was designed as a follow-up, aiming to uncover exactly how imposing different eye movements on participants affects memory retrieval processes. Eye movements were recorded from participants who recalled properties and spatial arrangements of sets of objects under four different manipulations: (1) free viewing on a blank screen; (2) gazing at a fixation cross; (3) looking at an area which was matched with the original locations of the objects to be recalled; (4) looking at an area which did not match the original locations of the objects to be recalled. By restricting eye movements in different ways during recall, we demonstrate the sensitivity of retrieval performance to specific eye movement manipulations. Results provide evidence that eye movements do have an active and supportive role when visuospatial information is recalled by highlighting the circumstances under which a visual memory is hampered. Additionally, findings suggest that the influence of "eye movements to nothing" is primarily related to the processing and retrieval of spatial information.
10.
  • Johansson, Roger, et al. (författare)
  • Eye movements to “nothing” have an active role when arrangements of objects are retrieved from memory
  • 2012
  • Konferensbidrag (refereegranskat)abstract
    • Several studies have reported that spontaneous eye movements occur with visual imagery and that they closely reflect content and spatial relations from an original picture or scene (e.g., Brandt & Stark, 1997; Spivey & Geng, 2001; Johansson, Holsanova, & Holmqvist, 2006). Nevertheless, the exact purpose of these eye movements to “nothing” is elusive and has currently been the target of a hot topic of debate (cf., Ferreira et al., 2008; Richardson et al., 2009). Do they have an active and functional role when visuospatial memories are retrieved or are they merely an epiphenomenon? In a recent study we reported that when eye movements were prohibited for participants who orally described pictures from memory, their recollections became altered and impaired (Johansson, Holsanova, Dewhurst, & Holmqvist, 2011). The current study was designed as a follow-up, with the purpose to uncover exactly how imposing different eye movements on participants affect memory retrieval of visuospatial memories. Eye movements were recorded – using a SMI RED 500-system – from 16 participants during an experiment where sets of objects were visually encoded and subsequently retrieved from memory. In the encoding phase, the participants encoded 24 objects in different locations on a computer screen. In the retrieval phase, they listened to pre-recorded spoken statements that either dealt with a property of an object – intra-object – or with the spatial arrangement between two objects – inter-object. The participants were instructed to orally decide whether those statements were true (by saying ‘yes’) or false (by saying ‘no’). The retrieval phase was divided into blocks of four different conditions: (1) free viewing on a blank screen; (2) gazing at a fixation cross; (3) looking at an area which was matched with the original location of the object(s) to be recalled; (4) looking at an area which did not match the original location of the object(s) to be recalled. Over the entire experiment each participant responded to 192 statements. The data was analyzed within-subjects over the four conditions in respect to reaction time (RT) for correct responses. The eye movement data was used to verify if the participants were able to comply in the conditions when they were restricted to look at the fixation cross or inside the matched/non-matched area. If not, those trials were excluded. Results revealed a significant main effect for RT in regard to inter-object statements but not for intra-object statements. Post-hoc comparisons revealed that looking at the fixation cross and looking at the area which did not match the original location of the objects to be retrieved yielded significantly longer RT when compared to free viewing and looking at the area which matched the original location of the objects to be retrieved. Consequently, these results demonstrate that eye movements to “nothing” do indeed have an active and supportive role when visuospatial information is retrieved from memory and show that those eye movements primarily influence processes that integrate spatial properties between objects.
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