Mental time travel is the ability to mentally project oneself backward in time to relive past experiences and forward in time to pre-live possible future experiences. Previous work has focused on MTT in its voluntary form. Here, we introduce the notion of involuntary MTT. We examined involuntary versus voluntary and past versus future MTT in a diary study. We found that involuntary future event representations—defined as representations of possible personal future events that come to mind with no preceding search attempts—were (...) as common as involuntary autobiographical memories and similar to them regarding cuing and subjective qualities. Future MTT involved more positive and idyllic representations than past MTT. MTT into the distant future/past involved more representations of cultural life script events than MTT into the immediate past/future. The findings are discussed in relation to cultural learning and MTT considered as a higher mental process. (shrink)

Involuntary autobiographical memories are spontaneously arising memories of personal events, whereas voluntary memories are retrieved strategically. Voluntary remembering has been studied in numerous experiments while involuntary remembering has been largely ignored. It is generally assumed that voluntary recall is the standard way of remembering, whereas involuntary recall is the exception. However, little is known about the actual frequency of these two types of remembering in daily life. Here, 48 Danish undergraduates recorded their involuntary versus voluntary autobiographical memories during a day (...) using a mechanical counter. Involuntary memories were reported three times as frequently as voluntary memories. Compared to voluntary memories, they were associated less with problem solving and social sharing and more with day dreaming, periods of boredom, no reasons for remembering and predominantly came to mind during unfocused attention. The findings suggest that involuntary recall is a typical way of accessing the personal past. (shrink)

Mental time travel is the ability to mentally project oneself into one’s personal past or future, in terms of memories of past events or projections of possible future events. We investigated the frequency and valence of involuntary MTT in the context of high trait worry. High and low worriers recorded the frequency and valence of involuntary memories and future projections using a structured notebook and completed measures probing individual differences related to negative affectivity. Involuntary future projections were as frequent as (...) involuntary memories. We found a positivity bias for both past and future MTT, in that fewer negative events were reported than positive or neutral ones. This positivity bias was greater for future than for past events. Individual differences related to negative affectivity were positively associated with the proportion of negative events, indicating a reduced positivity bias in individuals with a general tendency to experience negative affect. (shrink)

Involuntary autobiographical memories are conscious memories of personal events that come to mind with no preceding attempts at retrieval. It is often assumed that such memories are closely related to current concerns – i.e., uncompleted personal goals. Here we examined involuntary versus voluntary autobiographical memories in relation to earlier registered current concerns measured by the Personal Concern Inventory . We found no differences between involuntary and voluntary memories with regard to frequency or characteristics of current concern-related contents. However, memories related (...) to current concerns were rated as more central to the person’s identity, life story and expectations for the future than non-concern-related memories, irrespective of mode of recall. Depression and PTSD symptoms correlated positively with the proportion of current concern-related involuntary and voluntary memories. The findings support the view that involuntary and voluntary remembering is subject to similar motivational constraints. (shrink)

This study compares involuntary and voluntary autobiographical memories in depressed and never depressed individuals. Twenty depressed and twenty never depressed individuals completed a memory diary; recording their reactions to 10 involuntary and 10 voluntary memories over 14–30 days. Psychiatric status , psychopathology, rumination and avoidance were assessed. For both groups, involuntary memories more frequently lead to strong reactions than voluntarily memories. For both modes of retrieval, depressed individuals reported more frequent negative reactions than never depressed individuals and rated memories as (...) more central to identity with higher levels of rumination and avoidance. Depressed individuals retrieved both positive and negative memories during involuntary retrieval. These findings support the view that involuntary memory retrieval represents a basic mode of retrieval during healthy and disordered cognition, and that during depression, both involuntary and voluntary memories are central to identity and associated with rumination and avoidance. (shrink)

Disturbed identity is one of the defining characteristics of Borderline Personality Disorder manifested in a broad spectrum of dysfunctions related to the self, including disturbances in meaning-generating self-narratives. Autobiographical memories are memories of personal events that provide crucial building-blocks in our construction of a life-story, self-concept, and a meaning-generating narrative identity. The cultural life script represents culturally shared expectations as to the order and timing of life events in a prototypical life course within a given culture. It is used to (...) organize one’s autobiographical memories. Here, 17 BPD-patients, 14 OCD-patients, and 23 non-clinical controls generated three important autobiographical memories and their conceptions of the cultural life script. BPD-patients reported substantially more negative memories, fewer of their memories were of prototypical life script events, their memory narratives were less coherent and more disoriented, and the overall typicality of their life scripts was lower as compared with the other two groups. (shrink)

The current study examined the effects of cuing autobiographical memory retrieval in 12 older participants with dementia through immersion into a historically authentic environment that recreated the material and cultural context of the participants’ youth. Participants conversed in either an everyday setting or a museum setting furnished in early twentieth century style while being presented with condition matched cues. Conversations were coded for memory content based on an adapted version of Levine, Svoboda, Hay, Winocur, and Moscovitch coding scheme. More autobiographical (...) memories were recalled in the museum setting, and these memories were more elaborated, more spontaneous and included especially more internal details compared to memories in the control condition. The findings have theoretical and practical implications by showing that the memories retrieved in the museum setting were both quantitatively and qualitatively different from memories retrieved during a control condition. (shrink)

Autobiographical memory plays a key role in psychological well-being, and the field has been investigated from multiple perspectives for over thirty years. One large body of research has examined the basic mechanisms and characteristics of autobiographical memory during general cognition, and another body has studied what happens to it during psychological disorders, and how psychological therapies targeting memory disturbances can improve psychological well-being. This edited collection reviews and integrates current theories on autobiographical memory when viewed in a clinical perspective. It (...) presents an overview of basic applied and clinical approaches to autobiographical memory, covering memory specificity, traumatic memories, involuntary and intrusive memories, and the role of self-identity. The book discusses a wide range of psychological disorders, including depression, post-traumatic stress disorder, borderline personality disorder and autism, and how they affect autobiographical memory. It will be of interest to students of psychology, clinicians and therapists alike. (shrink)

There is no doubt that episodic memory serves communicative functions, but Mahr & Csibra overlook that this is not the only function served by memories of past events. Autobiographical memory research has identified several other functions, including purely directive functions. The functionality of episodic memory is not stable across situations; it varies dynamically with the demands of the retrieval context.