Annette Johansen
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Explore the profile of Annette Johansen including associated specialties, affiliations and a list of published articles.
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Articles
15
Citations
179
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Recent Articles
1.
Larsen K, Lindberg U, Ozenne B, McCulloch D, Armand S, Madsen M, et al.
J Cereb Blood Flow Metab
. 2025 Feb;
:271678X251323364.
PMID: 40007438
Psilocin, the active metabolite of psilocybin, is a psychedelic and agonist at the serotonin 2A receptor (5-HT2AR) that has shown positive therapeutic effects for brain disorders such as depression. To...
2.
Hogsted E, Beliveau V, Ozenne B, Madsen M, Svarer C, Dam V, et al.
Br J Psychiatry
. 2024 Dec;
:1-7.
PMID: 39632615
Background: Using [F]altanserin, a serotonin 2A receptor (5-HTR) antagonist Positron Emission Tomography (PET) tracer, a positive association between cortical 5-HTR binding and the inward-directed facets of neuroticism has been demonstrated...
3.
Miskowiak K, Damgaard V, Schandorff J, Macoveanu J, Knudsen G, Johansen A, et al.
Trials
. 2024 Oct;
25(1):648.
PMID: 39363230
Background: Cognitive impairment is prevalent across neuropsychiatric disorders but there is a lack of treatment strategies with robust, enduring effects. Emerging evidence indicates that altitude-like hypoxia cognition training may induce...
4.
Johansen A, Beliveau V, Colliander E, Raval N, Dam V, Gillings N, et al.
J Neurosci
. 2024 Jul;
44(33).
PMID: 38997157
Synapses are fundamental to the function of the central nervous system and are implicated in a number of brain disorders. Despite their pivotal role, a comprehensive imaging resource detailing the...
5.
Marstrand-Joergensen M, Laurell G, Herrmann S, Nasser A, Johansen A, Lund A, et al.
Eur J Nucl Med Mol Imaging
. 2024 May;
51(11):3292-3304.
PMID: 38758370
Purpose: Here, we evaluate a PET displacement model with a Single-step and Numerical solution in healthy individuals using the synaptic vesicle glycoprotein (SV2A) PET-tracer [C]UCB-J and the anti-seizure medication levetiracetam...
6.
Armand S, Langley C, Johansen A, Ozenne B, Overgaard-Hansen O, Larsen K, et al.
Sci Rep
. 2024 Feb;
14(1):3149.
PMID: 38326352
Short-term intake of selective serotonin reuptake inhibitors (SSRIs) modulates threat-related amygdala responses in healthy individuals. However, how SSRI intake over a clinically relevant time period modulates threat-related amygdala responses is...
7.
Johansen A, Armand S, Plaven-Sigray P, Nasser A, Ozenne B, Petersen I, et al.
Mol Psychiatry
. 2023 Oct;
28(10):4272-4279.
PMID: 37814129
Selective serotonin reuptake inhibitors (SSRIs) are widely used for treating neuropsychiatric disorders. However, the exact mechanism of action and why effects can take several weeks to manifest is not clear....
8.
Laurell G, Plaven-Sigray P, Johansen A, Raval N, Nasser A, Aabye Madsen C, et al.
J Cereb Blood Flow Metab
. 2023 Apr;
43(9):1544-1556.
PMID: 37070382
The traditional design of PET target engagement studies is based on a baseline scan and one or more scans after drug administration. We here evaluate an alternative design in which...
9.
Langley C, Armand S, Luo Q, Savulich G, Segerberg T, Sondergaard A, et al.
Neuropsychopharmacology
. 2023 Jan;
48(4):664-670.
PMID: 36683090
Several studies of the effects on cognition of selective serotonin reuptake inhibitors (SSRI), administered either acutely or sub-chronically in healthy volunteers, have found changes in learning and reinforcement outcomes. In...
10.
Raval N, Johansen A, Donovan L, Fernandez Ros N, Ozenne B, Hansen H, et al.
Int J Mol Sci
. 2021 Jan;
22(2).
PMID: 33467676
A single dose of psilocybin, a psychedelic and serotonin 2A receptor (5-HTR) agonist, may be associated with antidepressant effects. The mechanism behind its antidepressive action is unknown but could be...