A mechanistic account of serotonin's impact on mood

J Michely, E Eldar, IM Martin, RJ Dolan - Nature communications, 2020 - nature.com
Selective serotonin reuptake inhibitors (SSRIs) constitute a first-line antidepressant
intervention, though the precise cognitive and computational mechanisms that explain …

Beyond negative valence: 2-week administration of a serotonergic antidepressant enhances both reward and effort learning signals

J Scholl, N Kolling, N Nelissen, M Browning… - PLoS …, 2017 - journals.plos.org
To make good decisions, humans need to learn about and integrate different sources of
appetitive and aversive information. While serotonin has been linked to value-based …

Serotonin modulates asymmetric learning from reward and punishment in healthy human volunteers

J Michely, E Eldar, A Erdman, IM Martin… - Communications …, 2022 - nature.com
Instrumental learning is driven by a history of outcome success and failure. Here, we
examined the impact of serotonin on learning from positive and negative outcomes. Healthy …

The involvement of serotonin in major depression: nescience in disguise?

D Arnone, T Wise, PB Fitzgerald, CJ Harmer - Molecular Psychiatry, 2024 - nature.com
Moncrieff and colleaguesL umbrella review [1] offers an opportunity to reflect on the
'Serotonin hypothesisL of depression serendipitously developed 50 years ago. The notion …

Psychological mechanisms and functions of 5-HT and SSRIs in potential therapeutic change: Lessons from the serotonergic modulation of action selection, learning …

C Roberts, BJ Sahakian, TW Robbins - Neuroscience & biobehavioral …, 2020 - Elsevier
Uncertainty regarding which psychological mechanisms are fundamental in mediating SSRI
treatment outcomes and wide-ranging variability in their efficacy has raised more questions …

Antidepressant treatment and emotional processing: can we dissociate the roles of serotonin and noradrenaline?

A Pringle, C McCabe, PJ Cowen… - Journal of …, 2013 - journals.sagepub.com
The ability to match individual patients to tailored treatments has the potential to greatly
improve outcomes for individuals suffering from major depression. In particular, while the …

'It's the way that you look at it'—a cognitive neuropsychological account of SSRI action in depression

CJ Harmer, PJ Cowen - … of the Royal Society B: Biological …, 2013 - royalsocietypublishing.org
The fact that selective serotonin reuptake inhibitors (SSRIs) have antidepressant effects in
some patients supports the notion that serotonin plays a role in the mode of action of …

Is serotonin an upper or a downer? The evolution of the serotonergic system and its role in depression and the antidepressant response

PW Andrews, A Bharwani, KR Lee, M Fox… - Neuroscience & …, 2015 - Elsevier
The role of serotonin in depression and antidepressant treatment remains unresolved
despite decades of research. In this paper, we make three major claims. First, serotonin …

Delayed antidepressant efficacy and the desensitization hypothesis

KG Commons, SE Linnros - ACS chemical neuroscience, 2019 - ACS Publications
Many conventional antidepressants can quickly raise the levels of extracellular serotonin,
yet their positive effects on mood ensues only weeks later. This delay in efficacy is a clinical …

The complex clinical response to selective serotonin reuptake inhibitors in depression: a network perspective

L Boschloo, F Hieronymus, A Lisinski… - Translational …, 2023 - nature.com
The clinical response to selective serotonin reuptake inhibitors (SSRIs) in depression takes
weeks to be fully developed and is still not entirely understood. This study aimed to …