Sökning: "Locomotor activity"

Visar resultat 31 - 35 av 98 avhandlingar innehållade orden Locomotor activity.

  1. 31. Physiology and pathophysiology of central adenosine A1 and A2A receptors

    Författare :Linda Halldner Henriksson; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Adenosine; A1 receptor; A2A receptor; knock-out mouse; in situ hybridization; receptor autoradiography; sleep; hypoxia-ischemia; behavior; motor activity; caffeine; tolerance;

    Sammanfattning : The aim of this thesis was to further investigate the individual roles of central adenosine A1 and A2A receptors in the physiological and pathophysiological effects of adenosine. In addition, the characteristics of different adenosine receptor ligands were studied. LÄS MER

  3. 32. On the role of metabotropic glutamate receptors in motor control : analysis of synaptic, cellular and network properties

    Författare :Patrik Krieger; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :calcium channels; lamprey; locomotion; metabotropic glutamate receptors; neuronal network; spinal cord; synaptic transmission;

    Sammanfattning : The organization of neurons into neuronal networks is a basic feature of the central nervous system. An understanding of the function of neuronal networks requires knowledge on both synaptic connectivity and cellular properties. LÄS MER

  4. 33. Behavioural and Neuroendocrine Effects of Stress in Salmonid Fish

    Författare :Øyvind Øverli; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Developmental biology; Aggression; Behaviour; Brain; Coping; Cortisol; Dominance; Dopamine; Feeding; Hierarchy; Norepinephrine; Responsiveness; Serotonin; Utvecklingsbiologi; Developmental biology; Utvecklingsbiologi; Developmental Biology; miljömedicinsk utvecklingsbiologi;

    Sammanfattning : Stress can affect several behavioural patterns, such as food intake and the general activity level of an animal. The central monoamine neurotransmitters serotonin, dopamine, and norepinephrine are important in the mediation of both behavioural and neuroendocrine stress effects. LÄS MER

  5. 34. Neural mechanisms for the control of posture, locomotion and steering : a behavioral, electrophysiological and modeling study in lamprey

    Författare :Patriq Fagerstedt; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :reticulospinal; vestibular system; spinal cord; central pattern generator; reciprocal inhibition; fictive locomotion; fictive turning; electron microscopy; computer simulation; lamprey; dorsal fin;

    Sammanfattning : When animals move around interacting with the environment, the nervous system has to solve several tasks simultaneously in order to produce and control the movements - notably propulsion, posture, balance, and associated movements. Basic motor tasks are controlled by neuronal networks organized into central pattern generators (CPGs) and reflexes, located in the spinal cord and brainstem. LÄS MER

  7. 35. Cardiovascular, behavioural and metabolic consequences of growth hormone overexpression in transgenic mice

    Författare :Mohammad Bohlooly-Yeganeh; Göteborgs universitet; []
    Nyckelord :;

    Sammanfattning : Growth hormone (GH) exerts major effects on body growth and metabolism. GH is also important in controlling cardiovascular function and behaviour. To study the role of growth hormone in cardiovascular function and regulation of blood pressure, we overexpressed bovine growth hormone regulated by the metallothionein promoter in mice (Mt-bGH). LÄS MER