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Article ; Online: Resting EEG power spectra across middle to late life: associations with age, cognition, APOE-ɛ4 carriage, and cardiometabolic burden.

Smith, Ashleigh E / Chau, Anson / Greaves, Danielle / Keage, Hannah A D / Feuerriegel, Daniel

2023 Volume 130, Page(s) 93–102

Abstract: We investigated how resting electroencephalography (EEG) measures are associated with risk factors for late-life cognitive impairment and dementia, including age, apolipoprotein E ɛ4 (APOE-ɛ4) carriage, and cardiometabolic burden. Resting EEG was ... ...

Abstract	We investigated how resting electroencephalography (EEG) measures are associated with risk factors for late-life cognitive impairment and dementia, including age, apolipoprotein E ɛ4 (APOE-ɛ4) carriage, and cardiometabolic burden. Resting EEG was recorded from 86 adults (50-80 years of age). Participants additionally completed the Addenbrooke's Cognitive Examination (ACE) III and had blood drawn to assess APOE-ɛ4 carriage status and cardiometabolic burden. EEG power spectra were decomposed into sources of periodic and aperiodic activity to derive measures of aperiodic component slope and alpha (7-14 Hz) and beta (15-30 Hz) peak power and peak frequency. Alpha and beta peak power measures were corrected for aperiodic activity. The aperiodic component slope was correlated with ACE-III scores but not age. Alpha peak frequency decreased with age. Individuals with higher cardiometabolic burden had lower alpha peak frequencies and lower beta peak power. APOE-ɛ4 carriers had lower beta peak frequencies. Our findings suggest that the slope of the aperiodic component of resting EEG power spectra is more closely associated with measures of cognitive performance rather than chronological age in older adults.
MeSH term(s)	Aged ; Aged, 80 and over ; Humans ; Apolipoprotein E4/genetics ; Apolipoproteins E ; Cardiovascular Diseases ; Cognition ; Electroencephalography ; Middle Aged
Chemical Substances	Apolipoprotein E4 ; Apolipoproteins E
Language	English
Publishing date	2023-06-08
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	604505-4
ISSN	1558-1497 ; 0197-4580
ISSN (online)	1558-1497
ISSN	0197-4580
DOI	10.1016/j.neurobiolaging.2023.06.004
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Zs.A 1685: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MG 10: Show issues

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Article ; Online: Personalised virtual reality in palliative care: clinically meaningful symptom improvement for some.

Altman, Kaylin / Saredakis, Dimitrios / Keage, Hannah / Hutchinson, Amanda / Corlis, Megan / Smith, Ross T / Crawford, Gregory Brian / Loetscher, Tobias

BMJ supportive & palliative care

2024

Abstract: ... significantly pre-VR to post-VR with a large effect size (Cohen's d: 0.98). Total symptom burden decreased after ... 20 min VR sessions (Cohen's d: 0.75), with similar effect sizes for emotional (Cohen's d: 0.67) and ... physical symptoms (Cohen's d: 0.63). Over 50% of patients experienced clinically meaningful improvements ...

Abstract	Objectives: This study examined the effects of virtual reality (VR) among palliative care patients at an acute ward. Objectives included evaluating VR therapy benefits across three sessions, assessing its differential impact on emotional versus physical symptoms and determining the proportion of patients experiencing clinically meaningful improvements after each session. Methods: A mixed-methods design was employed. Sixteen palliative inpatients completed three personalised 20 min VR sessions. Symptom burden was assessed using the Edmonton Symptom Assessment Scale-Revised and quality of life with the Functional Assessment of Chronic Illness Therapy (FACIT-Pal-14). Standardised criteria assessed clinically meaningful changes. Quantitative data were analysed using linear mixed models. Results: Quality of life improved significantly pre-VR to post-VR with a large effect size (Cohen's d: 0.98). Total symptom burden decreased after 20 min VR sessions (Cohen's d: 0.75), with similar effect sizes for emotional (Cohen's d: 0.67) and physical symptoms (Cohen's d: 0.63). Over 50% of patients experienced clinically meaningful improvements per session, though substantial individual variability occurred. Conclusions: This study reveals the nuanced efficacy of personalised VR therapy in palliative care, with over half of the patients experiencing meaningful benefits in emotional and physical symptoms. The marked variability in responses underscores the need for realistic expectations when implementing VR therapy.
Language	English
Publishing date	2024-02-20
Publishing country	England
Document type	Journal Article
ISSN	2045-4368
ISSN (online)	2045-4368
DOI	10.1136/spcare-2024-004815
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Article ; Online: What do young Australian adults know about modifiable risk factors for dementia?

Keage, Hannah A D / Villani, Gabrielle / Hutchinson, Amanda D

BMC public health

2021 Volume 21, Issue 1, Page(s) 2166

Abstract: Background: There are well established modifiable risk factors for late-life dementia. These risk factors account for over 30% of population attributable dementia risk and accrue over the lifespan. Young adults have the greatest potential to reduce ... ...

Abstract	Background: There are well established modifiable risk factors for late-life dementia. These risk factors account for over 30% of population attributable dementia risk and accrue over the lifespan. Young adults have the greatest potential to reduce their own risk for dementia. This study aimed to investigate what young Australian adults know about dementia and its risk factors, and further, how they estimated these risks. Methods: An online survey promoted through various social media platforms was completed by 604 young Australian adults aged 18-44 years of age. Results: Seventy percent of participants had a limited understanding of dementia (identifying cognitive or functional impairment), 25% had a good understanding, with 5% having no understanding. Twenty percent of respondents thought there were no modifiable risk factors for dementia. Less the half of participants agreed with two of the nine established dementia risk factors (hearing loss in midlife and education in early life), with over half of participants agreeing to the remaining seven risk factors. Females consistently judged the risks conferred by the nine established dementia risk factors to be higher than males. Those who were lonely judged the dementia risk conferred by loneliness to be higher than those who were not lonely; and smokers judged the dementia risk conferred by smoking to be less than non-smokers. Conclusion: Young adults have the greatest potential to change their dementia risk, and these findings show that there are important gaps in knowledge of dementia and its risk factors in this group.
MeSH term(s)	Australia/epidemiology ; Dementia/epidemiology ; Dementia/etiology ; Educational Status ; Female ; Humans ; Loneliness ; Male ; Risk Factors
Language	English
Publishing date	2021-11-25
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1471-2458
ISSN (online)	1471-2458
DOI	10.1186/s12889-021-12220-7
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Article ; Online: Evidence for a multidimensional account of cognitive and affective theory of mind: A state-trace analysis.

Jarvis, Amy L / Keage, Hannah A D / Wong, Stephanie / Weightman, Michael / Stephens, Rachel G

Memory & cognition

2023 Volume 52, Issue 3, Page(s) 525–535

Abstract: Theory of mind (ToM) has been argued to be a multidimensional construct, with ToM inferences depending on distinct processes across affective and cognitive ToM tasks and across first-order cognitive and second-order cognitive ToM tasks. Behavioural ... ...

Abstract	Theory of mind (ToM) has been argued to be a multidimensional construct, with ToM inferences depending on distinct processes across affective and cognitive ToM tasks and across first-order cognitive and second-order cognitive ToM tasks. Behavioural evidence for a multidimensional account has primarily depended on dissociations identified via analysis of variance, a statistical approach insufficient for assessing dimensionality. Instead, state-trace analysis (STA) is a more appropriate statistical technique to uncover dimensionality. The current study first applied STA to two summary datasets that had previously identified key dissociations between cognitive and affective ToM; these reanalyses did not support a multidimensional account of ToM. Next, STA was applied to a more detailed dataset to reveal whether ToM is based on multiple processes in a sample of 115 older adults aged 60-85 years (M = 68.5, SD = 5.92, 61.7% female) with higher or lower emotion perception ability. Participants made ToM judgements about different social exchanges (e.g., sarcasm or lying). STA results supported a multidimensional account of ToM across first-order cognitive, second-order cognitive, and affective ToM subdomains. These results lay a more rigorous foundation for subsequent studies to further examine the dimensionality of ToM and to apply formal modelling, progressing the field's understanding and measurement of the cognitive processes driving ToM judgements.
MeSH term(s)	Humans ; Female ; Aged ; Male ; Cognition ; Theory of Mind ; Affect ; Emotions ; Judgment ; Neuropsychological Tests
Language	English
Publishing date	2023-11-28
Publishing country	United States
Document type	Journal Article
ZDB-ID	185691-1
ISSN	1532-5946 ; 0090-502X
ISSN (online)	1532-5946
ISSN	0090-502X
DOI	10.3758/s13421-023-01481-9
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Zs.A 4560: Show issues

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Article ; Online: Can Cognitive Training Improve Perioperative Brain Health?

Vlisides, Phillip E / Keage, Hannah A D / Lampit, Amit

Anesthesia and analgesia

2020 Volume 130, Issue 3, Page(s) 583–585

MeSH term(s)	Brain ; Cognition ; Feasibility Studies ; Humans ; Postoperative Cognitive Complications
Language	English
Publishing date	2020-02-14
Publishing country	United States
Document type	Editorial ; Research Support, Non-U.S. Gov't ; Comment
ZDB-ID	80032-6
ISSN	1526-7598 ; 0003-2999
ISSN (online)	1526-7598
ISSN	0003-2999
DOI	10.1213/ANE.0000000000004543
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Uk I Zs.78: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular ab Jg. 2022: Lesesaal (EG)
Zs.MO 149: Show issues

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Article ; Online: Sleep and cognitive aging: emerging bedfellows: Editorial for Carvalho et al.

Keage, Hannah A D

Sleep medicine

2016 Volume 32, Page(s) 244–245

MeSH term(s)	Aged ; Brain ; Cognitive Aging ; Fatigue ; Humans ; Middle Aged ; Sleep ; Sleepiness
Language	English
Publishing date	2016-11-16
Publishing country	Netherlands
Document type	Editorial ; Comment
ZDB-ID	2012041-2
ISSN	1878-5506 ; 1389-9457
ISSN (online)	1878-5506
ISSN	1389-9457
DOI	10.1016/j.sleep.2016.09.021
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Zs.A 5315: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (2.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 635: Show issues

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Article ; Online: Emotional empathy across adulthood: A meta-analytic review.

Jarvis, Amy L / Wong, Stephanie / Weightman, Michael / Ghezzi, Erica S / Sharman, Rhianna L S / Keage, Hannah A D

Psychology and aging

2023 Volume 39, Issue 2, Page(s) 126–138

Abstract: Emotional empathy is a congruent emotional response stemming from another's emotional state and has mixed evidence for its association with age. We sought to synthesize existing data to investigate cross-sectional changes in emotional empathy across ... ...

Abstract	Emotional empathy is a congruent emotional response stemming from another's emotional state and has mixed evidence for its association with age. We sought to synthesize existing data to investigate cross-sectional changes in emotional empathy across adulthood using random-effects meta-analyses. Embase, APA PsycInfo, Medline, and Scopus databases were systematically searched until October 2022. Thirty-three studies assessed age categorically by comparing older (
MeSH term(s)	Adult ; Aged ; Aged, 80 and over ; Female ; Humans ; Male ; Aging/psychology ; Cross-Sectional Studies ; Emotions/physiology ; Empathy ; Young Adult ; Middle Aged
Language	English
Publishing date	2023-11-16
Publishing country	United States
Document type	Systematic Review ; Meta-Analysis ; Journal Article
ZDB-ID	635596-1
ISSN	1939-1498 ; 0882-7974
ISSN (online)	1939-1498
ISSN	0882-7974
DOI	10.1037/pag0000788
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Zs.A 3194: Show issues

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Article ; Online: Virtual reality intervention to improve apathy in residential aged care: protocol for a multisite non-randomised controlled trial.

Saredakis, Dimitrios / Keage, Hannah A D / Corlis, Megan / Loetscher, Tobias

BMJ open

2021 Volume 11, Issue 2, Page(s) e046030

Abstract: Introduction: Apathy is a prevalent neuropsychiatric symptom for older adults residing in aged care. Left untreated, apathy has been associated with accelerated cognitive decline and increased risk of mortality. Reminiscence therapy is commonly used in ... ...

Abstract	Introduction: Apathy is a prevalent neuropsychiatric symptom for older adults residing in aged care. Left untreated, apathy has been associated with accelerated cognitive decline and increased risk of mortality. Reminiscence therapy is commonly used in aged care and has demonstrated to reduce apathy. Traditional methods of reminiscence use physical objects and more recently technology including tablets and laptop computers have demonstrated potential. Virtual reality (VR) has successfully been used to treat psychological disorders; however, there is little evidence on using VR for behavioural symptoms such as apathy in older adults. Using VR to deliver reminiscence therapy provides an immersive experience, and readily available applications provide access to a large range of content allowing easier delivery of therapy over traditional forms of therapy. This study aims to identify changes in apathy after a reminiscence therapy intervention using head-mounted displays (HMDs). Methods and analysis: Participants will be allocated to one of three groups; reminiscence therapy using VR; an active control using a laptop computer or physical items and a passive control. A total of 45 participants will be recruited from residential aged care (15 in each group). The three groups will be compared at baseline and follow-up. The primary outcome is apathy, and secondary outcomes include cognition and depression. Side effects from using HMDs will also be examined in the VR group. Primary and secondary outcomes at baseline and follow-up will be analysed using linear mixed modelling. Ethics and dissemination: Ethics approval was obtained from the University of South Australia Human Research Ethics Committee. The results from this study will be disseminated through manuscript publications and national/international conferences. Trial registration number: ACTRN12619001510134.
MeSH term(s)	Aged ; Apathy ; Australia ; Cognition ; Humans ; Virtual Reality ; Virtual Reality Exposure Therapy
Language	English
Publishing date	2021-02-01
Publishing country	England
Document type	Clinical Trial ; Controlled Clinical Trial ; Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2599832-8
ISSN	2044-6055 ; 2044-6055
ISSN (online)	2044-6055
ISSN	2044-6055
DOI	10.1136/bmjopen-2020-046030
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Article ; Online: Estimating everyday risk: Subjective judgments are related to objective risk, mapping of numerical magnitudes and previous experience.

Keage, Hannah A D / Loetscher, Tobias

PloS one

2018 Volume 13, Issue 12, Page(s) e0207356

Abstract: We aimed to investigate individual differences that associate with peoples' acute risk perception for activities such as walking and giving birth, including objective risk and the mapping of numerical magnitudes. The Amazon Mechanical Turk platform was ... ...

Abstract	We aimed to investigate individual differences that associate with peoples' acute risk perception for activities such as walking and giving birth, including objective risk and the mapping of numerical magnitudes. The Amazon Mechanical Turk platform was used, with 284 participants recruited (40% female) ranging between 19 and 68 years. Participants had to indicate the positions of (1) the relative death risk of activities on a horizontal-line with 'very low risk of death' and 'very high risk of death' as left and right anchors respectively and (2), numerical magnitudes on a horizontal-line ranging 0-1000. The MicroMort framework was used to index acute risk of death (one/million chance of dying from an accident). Previous experience with the activities, handedness, along with risk propensity and unrealistic optimism were also measured. Linear mixed-effects modelling was used to investigate predictors of subjective MicroMort judgments. Individuals subjectively judged activities to be riskier if the activity was objectively riskier, if they over-estimated on the numerical task (more so for low-risk activities as compared to high-risk), or if they had not experienced the activity previously. The observed relationship between the number line task and everyday risk judgments is in keeping with the idea of a common magnitude representation system. In conclusion, individuals are able to discriminate between activities varying in risk in an absolute sense, however intuition for judging the relative differences in risk is poor. The relationship between the misjudging of both risks and numerical magnitudes warrants further investigation, as may inform the development of risk communication strategies.
MeSH term(s)	Adult ; Aged ; Brain Mapping/methods ; Decision Making/physiology ; Female ; Functional Laterality ; Humans ; Judgment/ethics ; Male ; Middle Aged ; Perception/ethics ; Perception/physiology ; Risk ; Risk Assessment/methods ; Self-Assessment
Language	English
Publishing date	2018-12-05
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2267670-3
ISSN	1932-6203 ; 1932-6203
ISSN (online)	1932-6203
ISSN	1932-6203
DOI	10.1371/journal.pone.0207356
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Article ; Online: Font disfluency and reading performance in children: An event-related potential study.

Astley, Jack / Keage, Hannah A D / Kelson, Ellen / Callahan, Rebecca / Hofmann, Jessica / Thiessen, Myra / Kohler, Mark / Coussens, Scott

Brain and cognition

2023 Volume 169, Page(s) 105986

Abstract: Expert adult readers process fluent and disfluent fonts differently, at both early perceptual and late higher-order processing stages. This finding has been interpreted as reflecting the more difficult to read disfluent fonts requiring greater neural ... ...

Abstract	Expert adult readers process fluent and disfluent fonts differently, at both early perceptual and late higher-order processing stages. This finding has been interpreted as reflecting the more difficult to read disfluent fonts requiring greater neural resources. We aimed to investigate whether neural activity is affected by font disfluency in pre-adolescent readers, and to determine if neural responses are related to reading performance. Thirty-three participants between 8 and 12 years old completed two one-back tasks using letter and word stimuli, where font was manipulated (fluent versus disfluent stimuli), during which electroencephalography was recorded. Event related potentials (ERPs) were calculated relative to non-target stimuli for both tasks. The Woodcock Johnson III Tests of Achievement reading specific tests, and the Castles and Coltheart Test 2 were also collected. Font (fluent versus disfluent stimuli) did not consistently affect neural activity during both the letter and word tasks. Fluent stimuli elicited greater late activity (450-600 ms) than disfluent stimuli during the word task, suggesting easy-to-read fonts may enhance the maintenance of words in visual working memory and facilitate the retrieval of semantic information. However, reading performance was not associated with neural disfluency effects, suggesting that pre-adolescents are still at an early developmental reading period. Font manipulation may be a useful way to track developmental reading trajectories in the brain.
MeSH term(s)	Adult ; Humans ; Child ; Adolescent ; Reading ; Evoked Potentials/physiology ; Electroencephalography ; Brain ; Semantics
Language	English
Publishing date	2023-04-28
Publishing country	United States
Document type	Journal Article
ZDB-ID	603163-8
ISSN	1090-2147 ; 0278-2626
ISSN (online)	1090-2147
ISSN	0278-2626
DOI	10.1016/j.bandc.2023.105986
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