Aging, source memory, and emotion

In 2 experiments we assessed younger and older adults' ability to remember contextual information about an event. Each experiment examined memory for 3 different types of contextual information: (a) perceptual information (e.g., location of an item); (b) conceptual, nonemotional information (e.g., quality of an item); and (c) conceptual, emotional information (e.g., safety of an item). Consistent with a large literature on aging and source memory, younger adults outperformed older adults when the contextual information was perceptual in nature and when it was conceptual, but not emotional. Age differences in source memory were eliminated, however, when participants recalled emotional source information. These findings suggest that emotional information differentially engages older adults, possibly evoking enhanced elaborations and associations. The data are also consistent with a growing literature, suggesting that emotional processing remains stable with age (e.g., Carstensen & Turk-Charles, 1994, 1998; Isaacowitz, Charles, & Carstensen, 2000).     

Relationships among compulsive hoarding, trauma, and attention-deficit/hyperactivity disorder

The current study investigated aspects of post-traumatic stress disorder and attention deficit/ hyperactivity disorder (ADHD) among hoarders. Compared to a sample of 36 controls, hoarders (n=26) reported a significantly greater number of different types of trauma, more frequent traumatic experiences, more symptoms of inattention, hyperactivity, and greater comfort derived from possessions. These findings are consistent with previous reports of extensive comorbidity associated with hoarding behaviors, and may reflect the potential usefulness of assessing PTSD and ADHD symptoms at the outset of hoarding treatments, as well as considering alternative pharmacological interventions.     

Level of alliance, pattern of alliance, and outcome in short-term group therapy

This study investigated the relationships between initial level of alliance, pattern of alliance over sessions, and outcome in a sample of 107 patients who completed short-term group therapy for complicated grief. Both patient-rated alliance and therapist-rated alliance were studied. For patient-rated alliance, both the initial level of alliance and the linear pattern of alliance were directly and significantly related to favorable outcome. For therapist-rated alliance, no significant direct relationships with outcome were found. Instead, significant interaction effects were found. For patients with relatively high initial alliance, the greater the increase in alliance over sessions, the better the outcome. For patients with relatively low initial alliance, the greater the decrease in alliance over sessions, the better the outcome. Explanations for the findings are considered as well as possible clinical implications.     

Alcohol use disorders and psychological distress: a prospective state-trait analysis

The present study examined the association between alcohol use disorders (AUDs) and psychological distress over an 11-year period using a sample of 378 young adults (46% men, 54% women: baseline age = 18.5; 51% with paternal history of alcoholism). The authors examined this relation using a state-trait model, which decomposes variance in a given construct into a general traitlike factor that spans measurement occasion and more situational, occasion-specific variability. Trait AUD and trait distress were correlated (r =.43), suggesting that the tendency to meet criteria for an AUD is associated with the tendency to experience psychological distress. Much of this association was due to 3rd variables (primarily neuroticism but also childhood stressors and behavioral undercontrol), supporting a common 3rd-variable influence model of comorbidity.     

The natural history of problem gambling from age 18 to 29

Aggregate-level prevalences and individual-level developmental trajectories of untreated problem gambling were examined in an 11-year, 4-wave longitudinal study spanning the adolescent through young adult years. The past-year prevalences, 3-4 year incidences, and lifetime prevalences of problem gambling from adolescence through young adulthood were relatively stable at 2%-3%, 1%-2%, and 3%-5%, respectively. Despite the stability of the prevalences at the aggregate level, problem gambling appeared to be more transitory and episodic than enduring and chronic at the individual level. The present study is consistent with the limited evidence available on the natural history of problem gambling in the community in suggesting that natural recovery may be the rule rather than the exception.     

Understanding words in sentence contexts: the time course of ambiguity resolution

Spoken language comprehension requires rapid integration of information from multiple linguistic sources. In the present study we addressed the temporal aspects of this integration process by focusing on the time course of the selection of the appropriate meaning of lexical ambiguities ("bank") in sentence contexts. Successful selection of the contextually appropriate meaning of the ambiguous word is dependent upon the rapid binding of the contextual information in the sentence to the appropriate meaning of the ambiguity. We used the N400 to identify the time course of this binding process. The N400 was measured to target words that followed three types of context sentences. In the concordant context, the sentence biased the meaning of the sentence-final ambiguous word so that it was related to the target. In the discordant context, the sentence context biased the meaning so that it was not related to the target. In the unrelated control condition, the sentences ended in an unambiguous noun that was unrelated to the target. Half of the concordant sentences biased the dominant meaning, and the other half biased the subordinate meaning of the sentence-final ambiguous words. The ISI between onset of the target word and offset of the sentence-final word of the context sentence was 100 ms in one version of the experiment, and 1250 ms in the second version. We found that (i) the lexically dominant meaning is always partly activated, independent of context, (ii) initially both dominant and subordinate meaning are (partly) activated, which suggests that contextual and lexical factors both contribute to sentence interpretation without context completely overriding lexical information, and (iii) strong lexical influences remain present for a relatively long period of time.