Search results
Results from the WOW.Com Content Network
One study used rats to show the effects of chronic stress on memory by exposing them to a cat for five weeks and being randomly assigned to a different group each day. [20] Their stress was measured in a naturalistic setting by observing their open field behaviour, and the effect on memory was estimated using the radial arm water maze (RAWM ...
Schematic overview of the classes of stresses in plants Neurohormonal response to stress. Stress, whether physiological, biological or psychological, is an organism's response to a stressor such as an environmental condition. [1] When stressed by stimuli that alter an organism's environment, multiple systems respond across the body. [2]
A study about stress effects on female songbird’s response to sexual signal for mating indicated that the response to this specific signal can be impaired if the female is exposed to developmental stress. Behavioural changes as a result from developmental stress impairs neural responses to sexual signals, which reduces mating. [5]
Lesions can be placed with relatively high accuracy "Thanks to a variety of brain 'atlases' which provide a map of brain regions in 3-dimensional" stereotactic coordinates. The part of the picture emphasized shows the lesion in the brain. This type of lesion can be removed through surgery.
Each part of the brain is specialized for different aspects of the human being. [5] For example, the temporal lobe has a major role in vision and audition, whereas the frontal lobe is significant for motor function and problem solving. [2] The spinal cord is attached to the brain and serves as the main connector of nerves and the brain. [5]
Transgenerational stress in humans, as in animal models, induces effects influencing social behavior, reproductive success, cognitive ability, and stress response. [3] Similar to animal models, human studies have investigated the role of epigenetics and transgenerational inheritance molecularly as it relates to the HPA system.
Hans Selye defined stress as “the nonspecific (that is, common) result of any demand upon the body, be the effect mental or somatic.” [5] This includes the medical definition of stress as a physical demand and the colloquial definition of stress as a psychological demand. A stressor is inherently neutral meaning that the same stressor can ...
In contrast to effects of β-AR receptor blockade on other forms of learning, this effect is specific to only acquisition, as opposed to the posttraining processing or expression of fear memory. [10] The activation of β-ARs in the lateral amygdala synergistically regulates Hebbian processes to trigger the neuron's associative plasticity and ...