Measuring learning in human classical threat conditioning: Translational, cognitive and methodological considerations

KE Ojala, DR Bach - Neuroscience & Biobehavioral Reviews, 2020 - Elsevier
Threat conditioning is a laboratory model of associative learning across species that is often
used in research on the etiology and treatment of anxiety disorders. At least 10 different …

[HTML][HTML] A systematic review and meta-analysis of the evidence for unaware fear conditioning

G Mertens, IM Engelhard - Neuroscience & Biobehavioral Reviews, 2020 - Elsevier
Whether fear conditioning can take place without contingency awareness is a topic of
continuing debate and conflicting findings have been reported in the literature. This …

[HTML][HTML] Fear conditioning of SCR but not the startle reflex requires conscious discrimination of threat and safety

D Sevenster, T Beckers, M Kindt - Frontiers in behavioral …, 2014 - frontiersin.org
There is conflicting evidence as to whether awareness is required for conditioning of the skin
conductance response (SCR). Recently, Schultz and Helmstetter reported SCR conditioning …

[HTML][HTML] Human fear conditioning is moderated by stimulus contingency instructions

G Mertens, Y Boddez, AM Krypotos, IM Engelhard - Biological Psychology, 2021 - Elsevier
Recent research findings indicate that human fear conditioning is affected by instructions,
particularly those concerning the contingency between the conditioned stimulus (CS) and …

Potentiation of the startle reflex is in line with contingency reversal instructions rather than the conditioning history

G Mertens, J De Houwer - Biological psychology, 2016 - Elsevier
In the context of fear conditioning, different psychophysiological measures have been
related to different learning processes. Specifically, skin conductance responses (SCRs) …

Rating expectations can slow aversive reversal learning

LY Atlas, CF Sandman, EA Phelps - Psychophysiology, 2022 - Wiley Online Library
The process of learning allows organisms to develop predictions about outcomes in the
environment, and learning is sensitive to both simple associations and higher order …

The time-event correlation effect is due to temporal expectancy, not to partial transition costs.

R Thomaschke, G Dreisbach - Journal of Experimental Psychology …, 2015 - psycnet.apa.org
Humans are sensitive to temporal redundancies in their environment. When the identity of a
target stimulus is correlated with the duration of the preceding interval, performance is better …

[HTML][HTML] Conceptual fear generalization gradients and their relationship with anxious traits: Results from a Registered Report

G Mertens, V Bouwman, IM Engelhard - International Journal of …, 2021 - Elsevier
A hallmark symptom of fear and anxiety disorder is generalization of fear to essentially
innocuous stimuli and situations. Such generalization can occur through both perceptual …

[HTML][HTML] Eye movements index implicit memory expression in fear conditioning

LS Hopkins, DH Schultz, DE Hannula, FJ Helmstetter - PLoS One, 2015 - journals.plos.org
The role of contingency awareness in simple associative learning experiments with human
participants is currently debated. Since prior work suggests that eye movements can index …

Can you give me a hand? A comparison of hands and feet as optimal anatomical sites for skin conductance recording

AFH Payne, ME Dawson, AM Schell, K Singh… - …, 2013 - Wiley Online Library
The fingers and feet have long been accepted as optimal anatomical recording sites for
electrodermal activity. The available literature suggests that the feet are more responsive …