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Full-Text Articles in Behavioral Neurobiology
Ethological Causes And Consequences Of The Stress Response, Neil Greenberg, James A. Carr, Cliff H. Summers
Ethological Causes And Consequences Of The Stress Response, Neil Greenberg, James A. Carr, Cliff H. Summers
Neil Greenberg
Stress involves real or perceived changes within an organism or in the environment that activate an organism’s attempts to cope by means of evolutionarily ancient neural and endocrine mechanisms. Responses to acute stressors involve catecholamines released in varying proportion at different sites in the sympathetic and central nervous systems. These responses may interact with and be complemented by intrinsic rhythms and responses to chronic or intermittent stressors involving the hypothalamic-pituitary-adrenal axis. Varying patterns of responses to stressors are also affected by an animal=s assessment of their prospects for successful coping. Subsequent central and systemic consequences of the stress response include …