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1.
Article in English | MEDLINE | ID: mdl-32011217

ABSTRACT

Older adults are motivated to maximize positive affect in the present. Young adults will purposely feel negative and high arousal emotions in order to achieve a goal. However, this type of contra-hedonic emotional alignment has not been extensively studied with older adults. We expected older adults are less likely than young adults to select high arousal and negative emotions within specific scenarios where those states could be useful. In two studies, participants selected the emotion they preferred in hypothetical problems that varied on the arousal and valence best suited for goal achievement. Young and older adults were equally likely to endorse affective strategies that matched both pro and contra-hedonic scenarios. While older adults may be generally motivated to avoid negative and high-arousing emotions, they are just as likely as young adults to indicate that these states could be helpful in certain situations.


Subject(s)
Achievement , Affect/physiology , Aging/physiology , Choice Behavior/physiology , Goals , Pleasure/physiology , Adult , Age Factors , Aged , Aged, 80 and over , Female , Humans , Individuality , Male , Middle Aged , Young Adult
2.
PLoS One ; 9(4): e94844, 2014.
Article in English | MEDLINE | ID: mdl-24736676

ABSTRACT

OBJECTIVE: Our objective was to use episodic memory and executive function tests to determine whether or not Chiari Malformation Type I (CM) patients experience cognitive dysfunction. BACKGROUND: CM is a neurological syndrome in which the cerebellum descends into the cervical spine causing neural compression, severe headaches, neck pain, and number of other physical symptoms. While primarily a disorder of the cervico-medullary junction, both clinicians and researchers have suspected deficits in higher-level cognitive function. DESIGN AND METHODS: We tested 24 CM patients who had undergone decompression neurosurgery and 24 age- and education-matched controls on measures of immediate and delayed episodic memory, as well as three measures of executive function. RESULTS: The CM group showed performance decrements relative to the controls in response inhibition (Stroop interference), working memory computational speed (Ospan), and processing speed (automated digit symbol substitution task), but group differences in recall did not reach statistical significance. After statistical control for depression and anxiety scores, the group effects for working memory and processing speed were eliminated, but not for response inhibition. This response inhibition difference was not due to overall general slowing for the CM group, either, because when controls' data were transformed using the linear function fit to all of the reaction time tasks, the interaction with group remained statistically significant. Furthermore, there was a multivariate group effect for all of the response time measures and immediate and delayed recall after statistical control of depression and anxiety scores. CONCLUSION: These results suggest that CM patients with decompression surgery exhibit cognitive dysfunction compared to age- and education-matched controls. While some of these results may be related to anxiety and depression (likely proxies for chronic pain), response inhibition effects, in particular, as well as a general cognitive deficit persisted even after control for anxiety and decompression.


Subject(s)
Arnold-Chiari Malformation/physiopathology , Cognition , Adolescent , Adult , Executive Function/physiology , Female , Humans , Male , Memory, Episodic , Middle Aged , Reaction Time/physiology , Stroop Test , Young Adult
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