Peter van Ruitenbeek
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View article: Neural correlates of approach and avoidance tendencies toward physical activity and sedentary stimuli: An fMRI study
Neural correlates of approach and avoidance tendencies toward physical activity and sedentary stimuli: An fMRI study Open
Automatic tendencies toward physical activity and sedentary stimuli are involved in the regulation of physical activity behavior. However, the brain regions underlying these automatic tendencies remain largely unknown. Here, we used an app…
View article: Neural correlates of approach–avoidance tendencies toward physical activity and sedentary stimuli: An MRI study
Neural correlates of approach–avoidance tendencies toward physical activity and sedentary stimuli: An MRI study Open
Automatic tendencies toward physical activity and sedentary stimuli are involved in the regulation of physical activity behavior. However, the brain regions underlying these automatic tendencies remain largely unknown. Here, we used an app…
View article: Methylphenidate as a treatment option for substance use disorder: a transdiagnostic perspective
Methylphenidate as a treatment option for substance use disorder: a transdiagnostic perspective Open
A transition in viewing mental disorders from conditions defined as a set of unique characteristics to one of the quantitative variations on a collection of dimensions allows overlap between disorders. The overlap can be utilized to extend…
View article: White matter and neurochemical mechanisms underlying age-related differences in motor processing speed
White matter and neurochemical mechanisms underlying age-related differences in motor processing speed Open
View article: Interactions between the aging brain and motor task complexity across the lifespan: balancing brain activity resource demand and supply
Interactions between the aging brain and motor task complexity across the lifespan: balancing brain activity resource demand and supply Open
The Compensation Related Utilization of Neural Circuits Hypothesis (CRUNCH) proposes a framework for understanding task-related brain activity changes as a function of healthy aging and task complexity. Specifically, it affords the followi…
View article: Cannabis Use and Neuroadaptation: A Call for Δ9-Tetrahydrocannabinol Challenge Studies
Cannabis Use and Neuroadaptation: A Call for Δ9-Tetrahydrocannabinol Challenge Studies Open
Currently, the assessment of the neurobehavioral consequences of repeated cannabis use is restricted to studies in which brain function of chronic cannabis users is compared to that of non-cannabis using controls. The assumption of such st…
View article: Volume and Connectivity Differences in Brain Networks Associated with Cognitive Constructs of Binge Eating
Volume and Connectivity Differences in Brain Networks Associated with Cognitive Constructs of Binge Eating Open
Bulimia nervosa (BN) and binge eating disorder (BED) are characterized by episodes of eating large amounts of food while experiencing a loss of control. Recent studies suggest that the underlying causes of BN/BED consist of a complex syste…
View article: Decreased putamen activation in balancing goal-directed and habitual behavior in binge eating disorder
Decreased putamen activation in balancing goal-directed and habitual behavior in binge eating disorder Open
View article: Dopaminergic and noradrenergic modulation of stress-induced alterations in brain activation associated with goal-directed behaviour
Dopaminergic and noradrenergic modulation of stress-induced alterations in brain activation associated with goal-directed behaviour Open
Background: Acute stress is thought to reduce goal-directed behaviour, an effect purportedly associated with stress-induced release of catecholamines. In contrast, experimentally increased systemic catecholamine levels have been shown to i…
View article: Dopaminergic modulation of stress-induced alterations in goal-directed behaviour and associated brain activation
Dopaminergic modulation of stress-induced alterations in goal-directed behaviour and associated brain activation Open
Background and purpose: Being exposed to acute stress may cause people to behave more habitual, which purportedly is associated stress-induced increased dopamine release. In contrast, experimental rises in systemic dopamine levels have bee…
View article: Balancing Between Goal-Directed and Habitual Responding Following Acute Stress
Balancing Between Goal-Directed and Habitual Responding Following Acute Stress Open
Instrumental learning is regulated by two memory systems: a relatively rigid but efficient habit system and a flexible but resource-demanding goal-directed system. Previous work has demonstrated that exposure to acute stress may shift the …
View article: A proof‐of‐principle study of the effect of combined haloperidol and levodopa administration on working memory‐related brain activation in humans
A proof‐of‐principle study of the effect of combined haloperidol and levodopa administration on working memory‐related brain activation in humans Open
Objective Cognitive deficits including impaired working memory are a hallmark feature of schizophrenia. Dopamine D1 receptor modulated changes in prefrontal cortex function play a potentially important role in the pathology underlying such…
View article: Stress-induced reliance on habitual behavior is moderated by cortisol reactivity
Stress-induced reliance on habitual behavior is moderated by cortisol reactivity Open
View article: GABA levels and measures of intracortical and interhemispheric excitability in healthy young and older adults: an MRS-TMS study
GABA levels and measures of intracortical and interhemispheric excitability in healthy young and older adults: an MRS-TMS study Open
View article: Cerebellar gray matter explains bimanual coordination performance in children and older adults
Cerebellar gray matter explains bimanual coordination performance in children and older adults Open
View article: A proof-of-principle study of the effect of combined haloperidol and levodopa administration on working memory-related brain activation in humans
A proof-of-principle study of the effect of combined haloperidol and levodopa administration on working memory-related brain activation in humans Open
Background and Purpose Cognitive deficits including impaired working memory are a hallmark feature of schizophrenia. Changes in prefrontal cortex function modulated by dopamine D1 receptors, play a potentially important role in the patholo…
View article: Age-Related Declines in Motor Performance are Associated With Decreased Segregation of Large-Scale Resting State Brain Networks
Age-Related Declines in Motor Performance are Associated With Decreased Segregation of Large-Scale Resting State Brain Networks Open
Aging is typically associated with substantial declines in motor functioning as well as robust changes in the functional organization of brain networks. Previous research has investigated the link between these 2 age-varying factors but ex…
View article: Examining habituation and sensitization across repetitive laboratory stress inductions using the MAST
Examining habituation and sensitization across repetitive laboratory stress inductions using the MAST Open
View article: Anatomy of Subcortical Structures Predicts Age-Related Differences in Skill Acquisition
Anatomy of Subcortical Structures Predicts Age-Related Differences in Skill Acquisition Open
Skill acquisition capabilities vary substantially from one individual to another. Volumetric brain studies have demonstrated that global volume of several subcortical structures predicts variations in learning outcome in young adults (YA) …
View article: Individual differences in brainstem and basal ganglia structure predict postural control and balance loss in young and older adults
Individual differences in brainstem and basal ganglia structure predict postural control and balance loss in young and older adults Open
View article: Nucleus accumbens and caudate atrophy predicts longer action selection times in young and old adults
Nucleus accumbens and caudate atrophy predicts longer action selection times in young and old adults Open
There is a convergence in the literature toward a critical role for the basal ganglia in action selection. However, which substructures within the basal ganglia fulfill this role is still unclear. Here we used shape analyses of structural …
View article: Alterations in brain white matter contributing to age‐related slowing of task switching performance: The role of radial diffusivity and magnetization transfer ratio
Alterations in brain white matter contributing to age‐related slowing of task switching performance: The role of radial diffusivity and magnetization transfer ratio Open
Successfully switching between tasks is critical in many daily activities. Age‐related slowing of this switching behavior has been documented extensively, but the underlying neural mechanisms remain unclear. Here, we investigated the contr…
View article: Whole-brain grey matter density predicts balance stability irrespective of age and protects older adults from falling
Whole-brain grey matter density predicts balance stability irrespective of age and protects older adults from falling Open
View article: Subcortical volumetric changes across the adult lifespan: Subregional thalamic atrophy accounts for age-related sensorimotor performance declines
Subcortical volumetric changes across the adult lifespan: Subregional thalamic atrophy accounts for age-related sensorimotor performance declines Open