Behavioral and neurobiological mechanisms of pavlovian and instrumental extinction learning

ME Bouton, S Maren, GP McNally - Physiological reviews, 2021 - journals.physiology.org
This article reviews the behavioral neuroscience of extinction, the phenomenon in which a
behavior that has been acquired through Pavlovian or instrumental (operant) learning …

The entangled brain

L Pessoa - Journal of cognitive neuroscience, 2023 - direct.mit.edu
Abstract The Entangled Brain (Pessoa, L., 2002. MIT Press) promotes the idea that we need
to understand the brain as a complex, entangled system. Why does the complex systems …

A thalamic-hippocampal CA1 signal for contextual fear memory suppression, extinction, and discrimination

HC Ratigan, S Krishnan, S Smith… - Nature …, 2023 - nature.com
The adaptive regulation of fear memories is a crucial neural function that prevents
inappropriate fear expression. Fear memories can be acquired through contextual fear …

Memories are not written in stone: Re-writing fear memories by means of non-invasive brain stimulation and optogenetic manipulations

S Borgomaneri, S Battaglia, G Sciamanna… - Neuroscience & …, 2021 - Elsevier
The acquisition of fear associative memory requires brain processes of coordinated neural
activity within the amygdala, prefrontal cortex (PFC), hippocampus, thalamus and brainstem …

Prefrontal excitatory/inhibitory balance in stress and emotional disorders: evidence for over-inhibition

CE Page, L Coutellier - Neuroscience & Biobehavioral Reviews, 2019 - Elsevier
Chronic stress-induced emotional disorders like anxiety and depression involve imbalances
between the excitatory glutamatergic system and the inhibitory GABAergic system in the …

Prefrontal cortex, amygdala, and threat processing: implications for PTSD

M Alexandra Kredlow, RJ Fenster, ES Laurent… - …, 2022 - nature.com
Posttraumatic stress disorder can be viewed as a disorder of fear dysregulation. An
abundance of research suggests that the prefrontal cortex is central to fear processing—that …

Prefrontal-hippocampal interactions supporting the extinction of emotional memories: the retrieval stopping model

MC Anderson, SB Floresco - Neuropsychopharmacology, 2022 - nature.com
Neuroimaging has revealed robust interactions between the prefrontal cortex and the
hippocampus when people stop memory retrieval. Efforts to stop retrieval can arise when …

A thalamic bridge from sensory perception to cognition

M Wolff, S Morceau, R Folkard… - Neuroscience & …, 2021 - Elsevier
The ability to adapt to dynamic environments requires tracking multiple signals with variable
sensory salience and fluctuating behavioral relevance. This complex process requires …

Thalamic nucleus reuniens coordinates prefrontal-hippocampal synchrony to suppress extinguished fear

MS Totty, T Tuna, KR Ramanathan, J Jin… - Nature …, 2023 - nature.com
Traumatic events result in vivid and enduring fear memories. Suppressing the retrieval of
these memories is central to behavioral therapies for pathological fear. The medial prefrontal …

Unrelenting fear under stress: neural circuits and mechanisms for the immediate extinction deficit

S Maren - Frontiers in Systems Neuroscience, 2022 - frontiersin.org
Therapeutic interventions for disorders of fear and anxiety rely on behavioral approaches
that reduce pathological fear memories. For example, learning that threat-predictive stimuli …