The neurobiology of fear generalization

A Asok, ER Kandel, JB Rayman - Frontiers in behavioral …, 2019 - frontiersin.org
The generalization of fear memories is an adaptive neurobiological process that promotes
survival in complex and dynamic environments. When confronted with a potential threat, an …

Laboratory models of post-traumatic stress disorder: The elusive bridge to translation

JE Dunsmoor, JM Cisler, GA Fonzo, SK Creech… - Neuron, 2022 - cell.com
Post-traumatic stress disorder (PTSD) is a debilitating mental illness composed of a
heterogeneous collection of symptom clusters. The unique nature of PTSD as arising from a …

Dendritic spine plasticity: function and mechanisms

K Runge, C Cardoso, A De Chevigny - Frontiers in synaptic …, 2020 - frontiersin.org
Dendritic spines are small protrusions studding neuronal dendrites, first described in 1888
by Ramón y Cajal using his famous Golgi stainings. Around 50 years later the advance of …

[HTML][HTML] Microglia mediate postoperative hippocampal inflammation and cognitive decline in mice

X Feng, M Valdearcos, Y Uchida, D Lutrin, M Maze… - JCI insight, 2017 - ncbi.nlm.nih.gov
Surgery can induce cognitive decline, a risk that increases with advancing age. In rodents,
postoperative cognitive decline (POCD) is associated with the inflammatory activation of …

Systems consolidation induces multiple memory engrams for a flexible recall strategy in observational fear memory in male mice

JI Terranova, J Yokose, H Osanai, SK Ogawa… - Nature …, 2023 - nature.com
Observers learn to fear the context in which they witnessed a demonstrator's aversive
experience, called observational contextual fear conditioning (CFC). The neural …

Dentate granule cell recruitment of feedforward inhibition governs engram maintenance and remote memory generalization

N Guo, ME Soden, C Herber, MTW Kim, A Besnard… - Nature medicine, 2018 - nature.com
Memories become less precise and generalized over time as memory traces reorganize in
hippocampal–cortical networks. Increased time-dependent loss of memory precision is …

Microglial cell hyper-ramification and neuronal dendritic spine loss in the hippocampus and medial prefrontal cortex in a mouse model of PTSD

KL Smith, MS Kassem, DJ Clarke… - Brain, behavior, and …, 2019 - Elsevier
Few animal models exist that successfully reproduce several core associative and non-
associative behaviours relevant to post-traumatic stress disorder (PTSD), such as long …

Designing animal-friendly behavioral tests for neuroscience research: the importance of an ethological approach

R d'Isa, R Gerlai - Frontiers in Behavioral Neuroscience, 2023 - frontiersin.org
Behavioral tests have three key elements:(1) a motivating factor (what motivates the animal
in the test);(2) an observable behavior (which behaviors we may expect the animal exhibits …

Effects of motivational climate on fear of failure and anxiety in teen handball players

M Gómez-López, C Chicau Borrego… - International journal of …, 2020 - mdpi.com
The aim of this study was to examine the effects of the motivational climate created by the
coach and perceived by a group of young, high-performance handball players on their fear …

Know thy SEFL: Fear sensitization and its relevance to stressor-related disorders

KJ Nishimura, AM Poulos, MR Drew… - … & Biobehavioral Reviews, 2022 - Elsevier
Extreme stress can cause long-lasting changes in affective behavior manifesting in
conditions such as post-traumatic stress disorder (PTSD). Understanding the biological …