Search for dissertations about: "Locomotor activity"
Showing result 6 - 10 of 98 swedish dissertations containing the words Locomotor activity.
-
6. Nicotine sensitization and loss of inhibitory control. Role of serotonin
Abstract : Drug dependence is a devastating disorder present in all parts of the world. It is manifested by craving and a general loss of control over the drug intake and the life situation, ultimately leading to compulsive use of the addictive drug at the expense of normal behavioral patterns. READ MORE
-
7. Circadian Rhythms in Moth Sex Pheromone Communication
Abstract : Sex pheromone communication and related physiological processes are regulated by circadian clock mechanisms in many moth species. This thesis includes studies of circadian rhythms in sexually relevant behaviours and communication in the Egyptian cotton leafworm Spodoptera littoralis, the turnip moth Agrotis segetum, the Indian meal moth Plodia interpunctella and the Mediterranean flour moth Ephestia kuehniella. READ MORE
-
8. Acute and chronic effects by stimulants on behavior and striatal neurotransmission in the rat
Abstract : Nicotine and amphetamines are the most widely abused stimulants. The main aim of the studies in this thesis was to investigate how these two drugs of abuse affect distinct regions of the rat brain involved in development of habitual and compulsive behavior, namely subregions of striatum in the rat. READ MORE
-
9. On cholinergic mechanisms involved in ethanol reinforcement. A behavioral and neurochemical study in rodents
Abstract : Alcohol (ethanol) and smoking (nicotine) are commonly co-abused in human beings. Drugs of abuse interact with the brain mesolimbic dopamine system, an important part of the brain reward system. These dopaminergic neurons originate in the ventral tegmental area and project to e.g. READ MORE
-
10. Seasonal variations in general activity, behaviour and cutaneous glandular structures in reindeer (Rangifer tarandus L.)
Abstract : The locomotor activity of the reindeer is separated into a diurnal and a nocturnal phase which, in turn, consists of a number of short-term activity bursts. The onset and termination of diurnal and nocturnal activity are largely in synchrony with sunrise and sunset. READ MORE