Term
| Activation- Synthesis Hypothesis |
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Definition
| The theory that dreams arise from random bursts of nerve cell activity that may affect brain cells involved in hearing and seeing; the brain attempts to make sense of this hodgepodge of stimuli, resulting in the experience of dreams |
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Definition
| The bodys daily fluctuations in response to the cycle of dark and light |
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Definition
| The initial stage of sleep, which lasts about 5 minutes and can include the sensation of gentle falling or floating or a sudden jerking of the body; also referred to as Stage 1 sleep |
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Definition
| Conscious inhibition is a common occurrence in daily life and is present whenever two conflicting desires are experienced |
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Definition
| Repeated difficulty falling asleep, difficulty staying asleep, or waking up too early |
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Definition
| The symbolic content and meaning of a dream |
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Definition
| The obvious, memorable content of a dream |
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Definition
| A condition characterized by an extreme tendency to fall asleep whenever in relaxing surroundings |
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Definition
| Night terrors are a form of sleep disorder in which a person partially awakens from sleep in a state of terror. A sufferer of night terrors experiences an activation of his or her fight-or-flight system. Children may sit up crying or screaming. Night terrors usually occur during the deepest stage of sleep |
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Definition
| A frightening or unpleasant dream |
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Definition
| The higher pecentage of REM sleep that occurs following a night lacking the normal amount of REM |
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Definition
| The naturally recurring experience during which normal consciousness is suspended |
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Definition
| A disorder characterized by a temporary cessation of breathing during sleep, usually preceded by a period of difficult breathing accompanied by loud snoring |
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Term
| Suprachiasmatic nucleus (SCN) |
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Definition
| A small part of the hypothalamus just above the optic chiasm that registers changes in light, leading to production of hormones that regulate various bodily functions |
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Definition
| Behavior that is intended to harm another living being who does not wish to be harmed |
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Definition
| The first phase of the GAS, in which a stressor is perceived and the fight-or-flight response is activated |
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Term
| Approach-approach Conflict |
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Definition
| The internal conflict that occurs when competing alternatives are equally positive |
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| Approach-avoidance Conflict |
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Definition
| The internal conflict that occurs when a course of action has both positive and negative aspects |
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Definition
| Taking action to address a stressor or to counteract effects of a stressor |
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Definition
| Coping focused on changing the person's emotional response to the stressor |
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Definition
| The final stage of the GAS, in which the continued stress response itself becomes damaging to the body |
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Term
| General Adaptation Syndrome (GAS) |
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Definition
| The overall stress response that has three phases: alarm, resistanace, and exhaustion |
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Definition
| The area of psychology concerned with the promotion of health and the prevention and treatment of illness as it relates to psychological factors |
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Definition
| The emotional predicament that people experience when making difficult choices |
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| A variation of the placebo effect in which a negative expectation produces a negative outcome |
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Definition
| Coping focused on changing the environment itself or the way the person interacts with the environment |
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Definition
| The second phase of the GAS, in which the body mobilizes its resources to adapt to the continued presence of the stressor; also called the adaptation phase |
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| The general term that describes the psychological and physical response to a stimulus that alters the bodys equilibrium |
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Definition
| A stimulus that throws the bodys equilibrium out of balance |
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Definition
| The condition of requiring more of a substance to achieve the same effect, because the usual amount provides a diminished response |
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Definition
| The onset of uncomfortable or life-threatening effects when the use of a substance is stopped |
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