Publications by authors named "Maarit Virta"

Introduction: In this prospective cohort study over 40 years we investigated the effect of childhood attention-deficit/hyperactivity disorder (ADHD) and subthreshold ADHD on cognitive performance in adulthood.

Methods: The cohort comprised individuals with mild perinatal risks. Childhood ADHD group (cADHD,  = 39) was compared to a group with subthreshold childhood attention or hyperactivity symptoms (cAP;  = 79), a group with similar perinatal risks but no ADHD symptoms ( = 255), and to controls without ADHD symptoms or perinatal risks ( = 69).

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Objective: We aimed to examine the association of childhood motor difficulties (MD) with cognitive impairment in midlife.

Method: We studied 357 participants from a cohort born in 1971-1975. At age 9, they had completed the Test of Motor Impairment, which classified them into three groups: childhood MD (cMD), borderline cMD (bcMD), or no cMD.

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Background: There are few studies of the persistence of childhood motor difficulties (MD) into adulthood.

Aims: To investigate the association of childhood MD with motor skills and body mass index (BMI) in midlife.

Methods And Procedures: We studied 324 adults aged 40 from a cohort born in 1971-1974.

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Maternal diabetes mellitus in pregnancy is associated with impairments in memory functions of the offspring in childhood and adolescence but has not been studied in adulthood. The association of perinatal hypoglycemia with memory has not been studied in adulthood either. The combined sequelae of these two risk factors have not been directly compared.

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Background: Attention-deficit/hyperactivity disorder (ADHD) is associated with negative life outcomes and recent studies have linked it to increased mortality. These studies have examined nationwide registers or clinic-referred samples and mostly included participants up until the age of 30. No studies have investigated mortality associated with subthreshold levels of ADHD symptoms.

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EEG spectral-power density was analyzed in a group of nine highly hypnotizable subjects via ten frontal, central, parietal, and occipital electrodes under four conditions: 1) wake state, 2) neutral hypnosis, 3) hypnotic suggestion for altering perception of tones, and 4) post-hypnosis. Results indicate no theta-power changes between conditions, challenging previous findings that increased theta power is a marker of hypnosis. A decrease in gamma power under hypnotic suggestion and an almost significant decrease under neutral hypnosis were observed, compared to post-hypnosis.

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The aim was to examine cross-sectional association between moderate alcohol consumption and total brain volume in a cohort of participants in early middle-age, unconfounded by age-related neuronal change. 353 participants aged 39 to 45 years reported on their alcohol consumption using the AUDIT-C measure. Participants with alcohol abuse were excluded.

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We investigated ADHD symptoms and life outcomes in adulthood and their association with childhood ADHD and subthreshold symptoms in a prospectively followed cohort with perinatal risks. We identified participants with childhood ADHD (cADHD, n = 37), subthreshold symptoms defined as attention problems (cAP, n = 64), and no ADHD or cAP (Non-cAP, n = 217). We compared the groups and a control group with no perinatal risks (n = 64) on self-reported ADHD symptoms, executive dysfunction, and life outcomes in adulthood.

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The neural mechanisms associated with hypnosis were investigated in a group of 9 high hypnotizable subjects by measuring the mismatch negativity (MMN) component of the auditory event-related potential (ERP). ERPs were recorded using a passive oddball paradigm to sinusoidal standard and deviant tone stimuli of 500 and 520 Hz, respectively, in four conditions: prehypnosis, neutral hypnosis, hypnotic suggestion for altering the tone perception, and posthypnotic conditions. Earlier studies have indicated that hypnosis and hypnotic suggestions might have an effect on MMN, but the results of our study contradict these results: No statistically significant differences were found between the conditions in the MMN amplitudes.

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Objective: The middle interhemispheric variant of holoprosencephaly (MIHV) is a mild, rare variant of holoprosencephaly. Only a few cases of children with MIHV have been reported. Here we report in detail an adult case.

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Attention is one of the key factors in both hypnotic processes and patients with ADHD. In addition, the brain areas associated with hypnosis and ADHD overlap in many respects. However, the use of hypnosis in ADHD patients has still received only minor attention in research.

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Background. Attrition is a major cause of potential bias in longitudinal studies and clinical trials. Attrition rate above 20% raises concern of the reliability of the results.

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In clinical practice, a growing need exists for effective non-pharmacological treatments of adult attention-deficit/hyperactivity disorder (ADHD). Here, we present the results of a pilot study of 10 adults with ADHD participating in short-term individual cognitive- behavioral therapy (CBT), 9 adults participating in cognitive training (CT), and 10 controls. Self-report questionnaires, independent evaluations, and computerized neurocognitive testing were collected before and after the treatments to evaluate change.

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Objective: Recently, novel psychological treatments for adult ADHD have been reported with promising results. However, studies about long-term treatment effects are scanty. The authors study effects of cognitive-behaviorally-oriented group rehabilitation during a 6-month follow-up.

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Objective: In clinical practice, a growing need exists for effective nonpharmacological treatments of adult ADHD. The authors present results from a cognitive-behaviorally oriented psychological group rehabilitation for adult ADHD.

Method: A total of 29 adults with ADHD participated.

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