Skip to content

Associative learning of odor hedonics - development of an olfactory conditioning method

Associative learning of odor hedonics - development of an olfactory conditioning method - Associative learning of odor hedonics

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON37238
Enrollment
60
Registered
2012-08-30
Start date
2012-12-03
Completion date
Unknown
Last updated
2024-04-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

sensoriek en eetgedrag eating behavior smell perception

Interventions

The intervention consists of the different conditioning methods: Subjects will take part in three separate exposure sessions on 3 consecutive days. Exposure sessions will follow a partial reinforcem

Sponsors

TI Food and Nutrition
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: - Being normosmic, i.e. having normal olfactory function - Male and female adults, i.e. aged between 18 and 45 years on the first study day - Having a BMI within the normal range, i.e. 18.5 - 25.0 kg/m2 - Being healthy (as judged by the subject) - Willing to comply with the study procedures and with participation - Having given written informed consent

Exclusion criteria

Exclusion criteria: - Being hypersensitive (allergy and/or intolerance) for the odors or tastes under study - Having a taste or smell disorder - Having stomach or bowel diseases - Having diabetes, thyroid disease, or any other endocrine disorder - Using medication during last three months, except for paracetamol and contraceptive medication - Being pregnant or breast feeding - Smoking - Having a history of or current alcohol consumption > 28 units per week

Design outcomes

Primary

MeasureTime frame
Effectiveness of the three different olfactory conditioning methods in inducing changes in olfactory hedonics, as assessed by eplixicit liking scores, autonomic nervous system responses (heart rate, electrodermal activity, skin temperature) and sniff magnitude.

Secondary

MeasureTime frame
Differences in effectiveness of the three different olfactory conditioning methods in inducing changes in olfactory hedonics. Differences in the slope of the change in liking over time.

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)