An implicit measure of olfactory performance for non-human primates reveals aversive and pleasant odor conditioning

2010 ◽  
Vol 192 (1) ◽  
pp. 90-95 ◽  
Author(s):  
Uri Livneh ◽  
Rony Paz
Keyword(s):  
Implicit Measure ◽  
Pleasant Odor ◽  
Odor Conditioning

A Newspaper’s Effect on the Strength of Automatic Associations in Memory

2012 ◽  
Vol 24 (1) ◽  
pp. 1-8 ◽  
Author(s):  
Florian Arendt
Keyword(s):  
Treatment Group ◽  
Term Effect ◽  
Control Group ◽  
Implicit Measure ◽  
Short Term ◽  
Short Term Treatment ◽  
Short Term Effect ◽  
Automatic Associations ◽  
Foreign Nationality ◽  
The Impact

A test was done to see if reading a newspaper which consistently overrepresents foreigners as criminals strengthens the automatic association between foreign country and criminal in memory (i.e., implicit cultivation). Further, an investigation was done to find out if reading articles from the same newspaper produces a short-term effect on the same measure and if (1) emotionalization of the newspaper texts, (2) emotional reactions of the reader (indicated by arousal), and (3) attributed text credibility moderate the short-term treatment effect. Eighty-five participants were assigned to one of three experimental conditions. Participants in the control group received short factual crime texts, where the nationality of the offender was not mentioned. Participants in the factual treatment group received the same texts, but the foreign nationality was mentioned. Participants in the emotionalized treatment group received emotionalized articles (i.e., texts which are high in vividness and frequency) covering the same crimes, with the foreign nationality mentioned. Supporting empirical evidence for implicit cultivation and a short-term effect was found. However, only emotionalized articles produced a short-term effect on the strength of the automatic association, indicating that newspaper texts must have a minimum of stimulus intensity to overcome an effect threshold. There were no moderating effects of arousal or credibility pertaining to the impact on the implicit measure. However, credibility moderated the short-term effect on a first-order judgment (i.e., estimated frequency of foreigners of all criminals). This indicates that a newspaper’s effect on the strength of automatic associations is relatively independent from processes of propositional reasoning.

Developing an Implicit Measure of Specific Emotions

2008 ◽  
Author(s):  
Nathan L. Arbuckle ◽  
B. Keith Payne
Keyword(s):  
Implicit Measure

scholarly journals Salivary Proteome Changes in Response to Acute Psychological Stress Due to an Oral Exam Simulation in University Students: Effect of an Olfactory Stimulus

2021 ◽  
Vol 22 (9) ◽  
pp. 4295
Author(s):  
Lorenzo Zallocco ◽  
Laura Giusti ◽  
Maurizio Ronci ◽  
Andrea Mussini ◽  
Marco Trerotola ◽  
...  
Keyword(s):  
University Students ◽  
Psychological Stress ◽  
Social Stress ◽  
Acute Stress ◽  
Stress Test ◽  
Olfactory Stimulus ◽  
Oral Exam ◽  
Relaxation Phase ◽  
Pleasant Odor ◽  
Proteome Changes

The autonomic nervous system (ANS) plays a crucial role both in acute and chronic psychological stress eliciting changes in many local and systemic physiological and biochemical processes. Salivary secretion is also regulated by ANS. In this study, we explored salivary proteome changes produced in thirty-eight University students by a test stress, which simulated an oral exam. Students underwent a relaxation phase followed by the stress test during which an electrocardiogram was recorded. To evaluate the effect of an olfactory stimulus, half of the students were exposed to a pleasant odor diffused in the room throughout the whole session. Saliva samples were collected after the relaxation phase (T0) and the stress test (T1). State anxiety was also evaluated at T0 and T1. Salivary proteins were separated by two-dimensional electrophoresis, and patterns at different times were compared. Spots differentially expressed were trypsin digested and identified by mass spectrometry. Western blot analysis was used to validate proteomic results. Anxiety scores and heart rate changes indicated that the fake exam induced anxiety. Significant changes of α-amylase, polymeric immunoglobulin receptor (PIGR), and immunoglobulin α chain (IGHA) secretion were observed after the stress test was performed in the two conditions. Moreover, the presence of pleasant odor reduced the acute social stress affecting salivary proteome changes. Therefore, saliva proteomic analysis was a useful approach to evaluate the rapid responses associated to an acute stress test also highlighting known biomarkers.

Reduced Jumping to Conclusion Bias after Experimentally Induced Enhancement of Subjective Body Boundaries in Psychosis

2021 ◽  
Vol 54 (2) ◽  
pp. 92-97
Author(s):  
Naomi Lyons ◽  
Detlef E. Dietrich ◽  
Johannes Graser ◽  
Georg Juckel ◽  
Christian Koßmann ◽  
...  
Keyword(s):  
Sense Of Self ◽  
Psychotic Symptoms ◽  
Control Group ◽  
Implicit Measure ◽  
Relevant Factor ◽  
The Core ◽  
Significant Difference ◽  
Explicit Measure ◽  
Experimental Group ◽  
Core Features

<b><i>Introduction:</i></b> A disturbed sense of self is frequently discussed as an etiological factor for delusion symptoms in psychosis. Phenomenological approaches to psychopathology posit that lacking the sense that the self is localized within one’s bodily boundaries (disembodiment) is one of the core features of the disturbed self in psychosis. The present study examines this idea by experimentally manipulating the sense of bodily boundaries. <b><i>Methods:</i></b> Seventy-three patients with psychosis were randomly assigned to either a 10-min, guided self-massage in the experimental group (EG) to enhance the sense of bodily boundaries or a control group (CG), which massaged a fabric ring. Effects on an implicit measure (jumping to conclusion bias; JTC) and an explicit measure (Brief State Paranoia Checklist; BSPC) of delusion processes were assessed. The JTC measures the tendency to make a decision with little evidence available, and the BSPC explicitly measures the approval of paranoid beliefs. <b><i>Results:</i></b> Patients in the EG showed a lower JTC (<i>M</i> = 4.11 draws before decision) than the CG (<i>M</i> = 2.43; Cohen’s <i>d</i> = 0.64). No significant difference in the BSPC was observed. <b><i>Discussion/Conclusion:</i></b> Our results indicate that enhancing the sense of body boundaries through a self-massage can reduce an implicit bias associated with delusional ideation and correspondingly support the idea that disembodiment might be a relevant factor in the formation of psychotic symptoms.

Olfaction and the Brain. Olfaction, Taste, and Cognition. C. Rouby, B. Schaal, D. Doubois, R. Gervais, and A. Holley (Eds.). 2002. Cambridge, UK: Cambridge University Press. 462 pp., $95.00.

2003 ◽  
Vol 9 (7) ◽  
pp. 1101-1103
Author(s):  
Richard L. Doty
Keyword(s):  
Cambridge University ◽  
Odor Memory ◽  
Odor Classification ◽  
The Brain ◽  
Odor Conditioning

This 27-chapter volume arose from a symposium held in Lyon, France, in June of 1999, that sought to integrate information from academic scientific studies of olfaction, largely psychological in nature, with knowledge derived from the perfume industry. It is dedicated to the French perfumer Edmond Roudnitska, known for creating such classic fragrances as “Femme” (1944, Rochas), “Diorama” (1948, Dior), L'Eau” (1951, Hermès), “Diorissimo” (1956, Dior), “Eau Savage” (1966, Dior), and “Diorella” (1972, Dior), and addresses such topics as odor classification, odor memory, odor conditioning, and the plasticity of chemosensation.

The Default Network Distinguishes Construals of Proximal versus Distal Events

2011 ◽  
Vol 23 (10) ◽  
pp. 2945-2955 ◽  
Author(s):  
Diana I. Tamir ◽  
Jason P. Mitchell
Keyword(s):  
Cognitive Neuroscience ◽  
Psychological Distance ◽  
Individual Variability ◽  
Retrosplenial Cortex ◽  
Default Network ◽  
Implicit Measure ◽  
Four Dimensions ◽  
Neuroscience Research ◽  
Cognitive Theories ◽  
Different Dimensions

Humans enjoy a singular capacity to imagine events that differ from the “here-and-now.” Recent cognitive neuroscience research has linked such simulation processes to the brain's “default network.” However, extant cognitive theories suggest that perceivers reliably simulate only relatively proximal experiences—those that seem nearby, soon, likely to happen, or relevant to a close other. Here, we test these claims by examining spontaneous engagement of the default network while perceivers consider experiencing events from proximal and distal perspectives. Across manipulations of perspective in four dimensions, two regions of the default network—medial prefrontal cortex and retrosplenial cortex—were more active for proximal than distal events, supporting cognitive accounts that perceivers only richly simulate experiences that seem immediate and that perceivers represent different dimensions of distance similarly. Moreover, stable individual differences in default activity when thinking about distal events correlated with individual variability in an implicit measure of psychological distance, suggesting that perceivers naturally vary in their tendency to simulate far-off or unlikely experiences.

Digging Deeper: Using Implicit Tests to Define Consumers' Semantic Network

2013 ◽  
Vol 55 (3) ◽  
pp. 375-390 ◽  
Author(s):  
Pierrick Rivière ◽  
Caroline Cuny ◽  
Gaël Allain ◽  
Carel Vereijken
Keyword(s):  
Lexical Decision ◽  
Lexical Decision Task ◽  
Market Research ◽  
Functional Foods ◽  
Semantic Network ◽  
Decision Task ◽  
Implicit Measure ◽  
Personal Experiences ◽  
Associated Symptoms ◽  
Broad Complex

Many physiological functions, such as the digestive function, are broad, complex scientific topics. Therefore, to build relevant, accessible claims about functional foods that relate to these functions, marketers need to understand what consumers know about them, in terms of the associated symptoms, diseases and health benefits. Such knowledge cannot be captured effectively through direct questioning; it requires implicit testing that can limit biases and reveal unconscious knowledge. For this study, 240 consumers were invited to participate in an implicit lexical decision task via an online platform, and their responses reveal that the concept of ‘immunity’ is associated in mothers' minds with three symptoms related to their personal experiences with their children. By measuring associations that emerge without pre-existing rational processes, this implicit measure offers a more precise picture of the semantic network for immunity, which consumers could not express explicitly in response to direct questioning. Thus the recommended protocol is not only new to market research but also adds substantial value to the tests that currently serve to dig into consumers' minds.

scholarly journals Ghrelin Enhances Food Odor Conditioning in Healthy Humans: An fMRI Study

Cell Reports ◽  
2018 ◽  
Vol 25 (10) ◽  
pp. 2643-2652.e4 ◽  
Author(s):  
Jung Eun Han ◽  
Johannes Frasnelli ◽  
Yashar Zeighami ◽  
Kevin Larcher ◽  
Julie Boyle ◽  
...  
Keyword(s):  
Food Odor ◽  
Healthy Humans ◽  
Fmri Study ◽  
Odor Conditioning

scholarly journals A Diffusion Model Approach for Understanding the Impact of 17 Interventions on the Race Implicit Association Test

2020 ◽  
Author(s):  
Jessica Röhner ◽  
Calvin K. Lai
Keyword(s):  
Decision Making ◽  
Implicit Association Test ◽  
Association Test ◽  
Implicit Measure ◽  
Implicit Association ◽  
Implicit Measures ◽  
Long Term Effects ◽  
Sham Intervention ◽  
The Impact ◽  
Speed Accuracy

<p>Performance on implicit measures reflects construct-specific and non-construct-specific processes. This creates an interpretive issue for understanding interventions to change implicit measures: change in performance could reflect changes in the constructs-of-interest or changes in other mental processes. We re-analyzed data from six studies (<i>N</i> = 23,342) to examine the process-level effects of 17 interventions and one sham intervention to change race Implicit Association Test (IAT) performance. Diffusion models decompose overall IAT performance (<i>D</i>-scores) into construct-specific (ease of decision-making), and non-construct-specific processes (speed-accuracy tradeoffs, non-decision-related processes like motor execution). Interventions that effectively reduced <i>D-</i>scores changed ease of decision-making on compatible and incompatible trials. They also eliminated differences in speed-accuracy tradeoffs between compatible and incompatible trials. Non-decision-related processes were impacted by two interventions only. There was little evidence that interventions had any long-term effects. These findings highlight the value of diffusion modeling for understanding the mechanisms by which interventions affect implicit measure performance.</p>

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