Stress Flashcards
Acute stress
Good stress. Temporary response to temporary stressor. Prepare for fight or flight response.
Inc _____1____ –> inc ___2__–>_3__ stress–> live longer
- _____IQ, friends, control over life.
- _____income
- Dec _____
- -> live longer
Factors in acute stress
Energy mobilization Inc heart rate (cardiovascular tone) Suppressed immune system Improved cognition Halted digestion Halted growth Halted reproduction
Factors of chronic stress
Myopathy (muscle malfunction) fatigue Hypertension (high blood pressure) Neuronal death Disease risk increases Ulceration Dwarfism Amenorrhea, impotency
Absence of __1__ in child –> inc __2___–> ___3__ overload –> physical stunt
- Touch
- Stress
- Cortisol
4.
People with stress have…
Increased control over their life.
NeuroPeptide Y. Blocking it ____
Mediates stress and obesity. ______ Prevents obesity
Hippocampus neuronal loss causes…
Memory problems
Dopamine depletion
Difficult to experience pleasure
Norepinephrine depletion
Diminishes attention
New neuronal connections in amygdala
Allow stress producing situations to have greater effect on the system. Particularly fear.
Alcohol has a __ effect on brain
biphasic. Suppression–> rebound
Increase inhibition of neuron at GABA receptor. More Cl allowed in.
Inhibit the amygdala…
Less stress
Benzodiazepines:
Librium, Xanax, Valium.
Increase inhibition of neuron at GABA receptor. More Cl allowed in.
Caffeine effect on GABA receptor
Decreases Cl flow into the cell –> decreased inhibition