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Adaptive motivational signals in the anterior cingulate cortex and ventral tegmental area
This thesis focused on the role of the anterior cingulate cortex’s (ACC) interactions with the dopaminergic neurons in the ventral tegmental area (VTA) during adaptive behaviour. The overall question guiding this work was: ...
Examining the Underlying Mechanisms of the Differential Outcomes Effect in Pigeons
When the rewards associated with the various stimuli of a matching-to- sample task differ from one another, animals are able to perform the task with much higher accuracy than when the rewards are the same across the various ...
Is loss aversion diminished in schizotypy and does emotional intelligence influence this relationship?
Evidence suggests that loss aversion is absent in individuals with schizophrenia. This absence may be explained by a schizophrenia-related deficit in emotion processing. The objective of the current study was to determine ...
The Influence of Oxytocin on Older Adults’ Emotion Processing
Emotion processing involves attending to and recognising emotional stimuli, as well as experiencing a feeling of emotion and expressing an emotional reaction. Age-related differences in the processing of emotions are ...
The Role of Religion and Spirituality in Adolescent Wellbeing in Aotearoa New Zealand
The life stage of adolescence is rich in developmental change. Previous research has acknowledged the positive characteristics that youth bring to their own developmental journeys and the importance of a positive approach ...
Fathers Get Perinatal Depression Too
Although paternal depression is a relatively unrecognised illness, fathers are at risk of high depression scores both during their partner’s pregnancy and after the birth. This is an emerging area of research, so the first ...
Effects of Age, Gender, Handedness, Education and Time of Testing on Executive Functioning in Parkinson’s
Parkinson’s disease (PD) is the second most common neurodegenerative disease in the world. Recently, cognitive dysfunction has started to be viewed as a core symptom of PD, resulting in the proliferation of numerous studies ...
Does Perceived Burdensomeness and Thwarted Belongingness Mediate the Relationship between Schizotypy and Suicidal Ideation?
Background. There is evidence to suggest that risk of death by suicide is increased among individuals living with schizotypy. However, currently there is no theoretical framework for understanding the high rates of suicide ...
The Role of Micronutrients in Depressive Symptoms and Mood: An Investigation of Iron and Selenium
Previous studies have reported that low micronutrient levels are associated with increased depressive symptoms and poorer mood. Few studies have tested associations between micronutrient levels and mood specifically in ...
Does talking matter?: Mother-child reminiscing in relation to adolescent wellbeing within a New Zealand sample.
The emotional content of past event conversations is important for adolescent well-being, and are said to be different as a result of gender. The aim of the present study was to examine the relationship between parent-child ...