| 31. |
- Ageberg, Eva, et al.
(författare)
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Knee extension and flexion muscle power after anterior cruciate ligament reconstruction with patellar tendon graft or hamstring tendons graft: a cross-sectional comparison 3 years post surgery
- 2009
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Ingår i: Knee Surg Sports Traumatol Arthrosc. - : Springer Science and Business Media LLC. - 1433-7347 .- 0942-2056. ; 17:2, s. 162-9
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Tidskriftsartikel (refereegranskat)abstract
- Hamstring muscles play a major role in knee-joint stabilization after anterior cruciate ligament (ACL) injury. Weakness of the knee extensors after ACL reconstruction with patellar tendon (PT) graft, and in the knee flexors after reconstruction with hamstring tendons (HT) graft has been observed up to 2 years post surgery, but not later. In these studies, isokinetic muscle torque was used. However, muscle power has been suggested to be a more sensitive and sport-specific measures of strength. The aim was to study quadriceps and hamstring muscle power in patients with ACL injury treated with surgical reconstruction with PT or HT grafts at a mean of 3 years after surgery. Twenty subjects with PT and 16 subjects with HT grafts (mean age at follow up 30 years, range 20-39, 25% women), who were all included in a prospective study and followed the same goal-based rehabilitation protocol for at least 4 months, were assessed with reliable, valid, and responsive tests of quadriceps and hamstring muscle power at 3 years (SD 0.9, range 2-5) after surgery. The mean difference between legs (injured minus uninjured), the hamstring to quadriceps (H:Q, hamstring divided by quadriceps) ratio, and the limb symmetry index (LSI, injured leg divided by uninjured and multiplied by 100) value, were used for comparisons between the groups (analysis of variance). The mean difference between the injured and uninjured legs was greater in the HT than in the PT group for knee flexion power (-21.3 vs. 7.7 W, p = 0.001). Patients with HT graft had lower H:Q ratio in the injured leg than the patients with PT graft (0.63 vs. 0.77, p = 0.012). They also had lower LSI for knee flexion power than those in the PT group (88 vs. 106%, p < 0.001). No differences were found between the groups for knee extension power. The lower hamstring muscle power, and the lower hamstring to quadriceps ratio in the HT graft group than in the PT graft group 3 years (range 2-5) after ACL reconstruction, reflect imbalance of knee muscles after reconstruction with HT graft that may have a negative effect on dynamic knee-joint stabilization.
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| 32. |
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| 33. |
- Agebjorn, Johan, et al.
(författare)
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Association Between Autism and PTSD Among Adult Psychiatric Outpatients
- 2024
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Ingår i: JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS. - 0162-3257 .- 1573-3432.
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Tidskriftsartikel (refereegranskat)abstract
- PurposeAutism Spectrum Disorder (ASD) occurs in 1-1.5% of the general population and possibly in up to 20% of psychiatric outpatients. Post Traumatic Stress Disorder (PTSD) occurs at some point in life in 4% of the general population and in 14-20% of psychiatric outpatients. Knowledge about how PTSD manifests in people with ASD is important in order for it to be correctly diagnosed and intervened for.MethodsThis study investigated the relationship between PTSD and autism among adult psychiatric outpatients (N = 90) of whom 63 had ASD or subthreshold ASD based on DSM-5 criteria. The study group was subjected to in-depth psychiatric assessments using validated instruments. Diagnosis of PTSD was made based on the Mini International Neuropsychiatric Interview (MINI).ResultsThere was a trend towards PTSD being more common among participants with ASD compared to participants without ASD, although significant differences could not be shown in this small sample. 21% of the ASD group had current PTSD, compared to 4% of the study group without ASD. There were no differences between the groups regarding exposure to trauma. There was a trend towards a relationship between number of autism symptoms and hyperarousal symptoms in PTSD. Conversely, the PTSD symptom of irritability/outbursts of anger, was significantly associated with number of autism symptoms.ConclusionsA subgroup of psychiatric outpatients with ASD also suffer from PTSD. Hyperarousal symptoms are possibly more prevalent in the presentation of PTSD in individuals/patients with ASD compared to those without ASD.
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| 34. |
- Agebjöm, Anders
(författare)
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Development of the form and meaning of defmiteness in Russian-speaking learners of Swedish
- 2021
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Ingår i: Norsk Lingvistisk Tidsskrift. - 0800-3076 .- 2387-6719. ; 39:1, s. 41-68
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Forskningsöversikt (refereegranskat)abstract
- The study investigates the development of defmiteness in two groups of Russian-speaking learners of Swedish, one beginner group and one more advanced group. While Russian does not have articles, Swedish expresses defmiteness through a complex noun-phrase (NP) structure. Using an oral elicitation task, the study examines the learners' ability to produce morphemes that encode (in)defmiteness, their ability to accurately choose between indefinite and definite forms, and the relationship between these two abilities. Findings include that the complex NP structure emerged gradually while there was no evident development with regard to meaning. Initially, however, learners who used the morphemes more also tended to overuse them, while later in development those who produced many morphemes were also more likely to use them accurately. The paper thus demonstrates that the acquisition of a morphosyntactic form and the association of this form with its meaning are two separate processes to some extent.
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| 35. |
- Agebjörn, Anders, et al.
(författare)
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Explicit and Implicit Knowledge of Article Semantics in Belarusian Learners of English: Implications for Teaching
- 2020
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Ingår i: Formal Linguistics and Language Education : New Empirical Perspectives - New Empirical Perspectives. - Cham : Springer International Publishing. - 1572-0292 .- 2215-1656. - 9783030392574 - 9783030392567 ; 43, s. 179-201
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- The study investigates explicit and implicit knowledge of article semantics in 26 second language learners of English. Their first languages, Russian and Belarusian, lack articles. The research question is whether explicit knowledge, operationalised as an ability to explain what principle governs the choice between the definite and the indefinite article in a multiple-choice test, is associated with target-like use of articles in an oral, communicative task, assumed to tap mainly into implicit knowledge. No correlation between explicit and implicit knowledge, as measured with the two tasks, was found, suggesting that explicit knowledge is not necessary to acquire article semantics in this group of learners. The result is discussed within a modular, cognitive framework, and implications for teaching are considered.
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| 36. |
- Agebjörn, Anders, et al.
(författare)
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Kvinna – motsatsen till man? : Ordet kvinna:s semantik
- 2016
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Ingår i: Svenskans beskrivning 34 : Förhandlingar vid Trettiofjärde sammankomsten Lund den 22–24 oktober 2014 - Förhandlingar vid Trettiofjärde sammankomsten Lund den 22–24 oktober 2014. - 0347-8971. - 9789187833779 - 9789187833786 ; 74, s. 61-77
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Konferensbidrag (refereegranskat)
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| 37. |
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| 38. |
- Ageborg Morsing, Julia, et al.
(författare)
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Wind Turbine Noise and Sleep: Pilot Studies on the Influence of Noise Characteristics
- 2018
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Ingår i: International Journal of Environmental Research and Public Health. - : MDPI AG. - 1661-7827 .- 1660-4601. ; 15:11
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Tidskriftsartikel (refereegranskat)abstract
- The number of onshore wind turbines in Europe has greatly increased over recent years, a trend which can be expected to continue. However, the effects of wind turbine noise on long-term health outcomes for residents living near wind farms is largely unknown, although sleep disturbance may be a cause for particular concern. Presented here are two pilot studies with the aim of examining the acoustical properties of wind turbine noise that might be of special relevance regarding effects on sleep. In both pilots, six participants spent five consecutive nights in a sound environment laboratory. During three of the nights, participants were exposed to wind turbine noise with variations in sound pressure level, amplitude modulation strength and frequency, spectral content, turbine rotational frequency and beating behaviour. The impact of noise on sleep was measured using polysomnography and questionnaires. During nights with wind turbine noise there was more frequent awakening, less deep sleep, less continuous N2 sleep and increased subjective disturbance compared to control nights. The findings indicated that amplitude modulation strength, spectral frequency and the presence of strong beats might be of particular importance for adverse sleep effects. The findings will be used in the development of experimental exposures for use in future, larger studies.
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| 39. |
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| 40. |
- Agerström, Jens, et al.
(författare)
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The influence of temporal distance on justice and care morality
- 2010
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Ingår i: Scandinavian Journal of Psychology. - : Wiley. - 1467-9450 .- 0036-5564. ; 51, s. 46-55
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Tidskriftsartikel (refereegranskat)abstract
- The primary goal of this study was to examine whether changes in the temporal distance of a moral dilemma affect how it is perceived and subsequently resolved. Based on Construal Level Theory (Trope & Liberman, 2003), it was predicted that the relative weight of abstract justice features should increase and the relative weight of concrete care features should decrease with temporal distance. The results showed that females became increasingly justice-oriented with greater temporal distance. However, this was not the case for males who were unaffected by temporal distance. This interaction was conceptually replicated in a follow-up experiment in which abstraction was manipulated directly by a mindset manipulation. The present results suggest that temporal distance is a contextual factor that can alter the extent to which moral judgments and reasoning are based on justice and care, although this effect seems to be moderated by gender.
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