User profiles for Fredrik Åhs

Fredrik Åhs

Mid Sweden University
Verified email at miun.se
Cited by 6327

A meta-analysis of heart rate variability and neuroimaging studies: implications for heart rate variability as a marker of stress and health

JF Thayer, F Åhs, M Fredrikson, JJ Sollers III… - Neuroscience & …, 2012 - Elsevier
The intimate connection between the brain and the heart was enunciated by Claude Bernard
over 150 years ago. In our neurovisceral integration model we have tried to build on this …

ENIGMA‐anxiety working group: Rationale for and organization of large‐scale neuroimaging studies of anxiety disorders

…, F Agosta, F Åhs… - Human Brain …, 2022 - Wiley Online Library
Anxiety disorders are highly prevalent and disabling but seem particularly tractable to
investigation with translational neuroscience methodologies. Neuroimaging has informed our …

Biological preparedness and resistance to extinction of skin conductance responses conditioned to fear relevant animal pictures: A systematic review

F Åhs, J Rosén, G Kastrati, M Fredrikson… - Neuroscience & …, 2018 - Elsevier
Preparedness theory is one of the most influential ideas in explaining the origin of specific
phobias. The theory proposes that fear conditioning is selective to animals that have posed a …

A link between serotonin-related gene polymorphisms, amygdala activity, and placebo-induced relief from social anxiety

T Furmark, L Appel, S Henningsson, F Åhs… - Journal of …, 2008 - Soc Neuroscience
Placebo may yield beneficial effects that are indistinguishable from those of active medication,
but the factors underlying proneness to respond to placebo are widely unknown. Here, we …

Cerebral blood flow changes after treatment of social phobia with the neurokinin-1 antagonist GR205171, citalopram, or placebo

T Furmark, L Appel, Å Michelgård, K Wahlstedt, F Åhs… - Biological …, 2005 - Elsevier
BACKGROUND: Evidence is accumulating that pharmacological blockade of the substance
P preferring neurokinin-1 (NK1) receptor reduces anxiety. This study compared the effects of …

In a nervous voice: Acoustic analysis and perception of anxiety in social phobics' speech

P Laukka, C Linnman, F Åhs, A Pissiota… - Journal of Nonverbal …, 2008 - Springer
This study investigated the effects of anxiety on nonverbal aspects of speech using data
collected in the framework of a large study of social phobia treatment. The speech of social …

Serotonin synthesis and reuptake in social anxiety disorder: a positron emission tomography study

A Frick, F Åhs, J Engman, M Jonasson, I Alaie… - JAMA …, 2015 - jamanetwork.com
Importance Serotonin is involved in negative affect, but whether anxiety syndromes, such as
social anxiety disorder (SAD), are characterized by an overactive or underactive serotonin …

High-frequency heart rate variability and cortico-striatal activity in men and women with social phobia

F Åhs, JJ Sollers III, T Furmark, M Fredrikson, JF Thayer - NeuroImage, 2009 - Elsevier
Identifying brain systems that regulate or modulate autonomic nervous system functions
may identify pathways through which psychosocial factors can influence health and disease. …

Disentangling the web of fear: amygdala reactivity and functional connectivity in spider and snake phobia

F Åhs, A Pissiota, Å Michelgård, Ö Frans… - Psychiatry Research …, 2009 - Elsevier
The objective was to study effects of fear on brain activity, functional connectivity and brain-behavior
relationships during symptom provocation in subjects with specific phobia. Positron …

Segmentation of the inferior longitudinal fasciculus in the human brain: A white matter dissection and diffusion tensor tractography study

…, J Mårtensson, EM Larsson, M Fredrikson, F Åhs… - Brain research, 2017 - Elsevier
The inferior longitudinal fascicle (ILF) is one of the major occipital-temporal association
pathways. Several studies have mapped its hierarchical segmentation to specific functions. …