A Signal Detection Analysis of Olfactory Learning in 12-Month-Old 5xFAD Mice

被引：2

作者：

Roddick, Kyle M. ^{[1
]}

Fertan, Emre ^{[1
]}

Schellinck, Heather M. ^{[1
]}

Brown, Richard E. ^{[1
]}

机构：

[1] Dalhousie Univ, Dept Psychol & Neurosci, 1355 Oxford St, Halifax, NS B3H 4R2, Canada

来源：

JOURNAL OF ALZHEIMERS DISEASE | 2022年 / 88卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Accuracy; Alzheimer model mice; false alarms; olfactory learning; response bias; sensitivity; signal detection; TRANSGENIC MOUSE MODEL; ALZHEIMERS-DISEASE; SEX-DIFFERENCES; COGNITIVE DECLINE; ODOR DETECTION; DYSFUNCTION; MEMORY; DISCRIMINATION; PERFORMANCE; DEMENTIA;

D O I：

10.3233/JAD-220049

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Although Alzheimer's disease is most often studied in terms of memory impairments, olfactory dysfunction begins in the early stages. We tested olfactory learning, sensitivity, and response bias using signal detection methods in 12-month-old male and female 5xFAD mice and their wildtype controls in the operant olfactometer. Odor detection was not reduced in the 5xFAD mice, but learning was, which was worse in female 5xFAD mice than in males. Female mice were more conservative in their response strategy. Signal detection analysis allows us to discriminate between cognitive and sensory deficits of male and female mouse models of AD.

引用

页码：37 / 44

页数：8

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