Biological Bases Of Bahavior Flashcards
Physiological psychology
Behavior is influenced by biology
EEG
Electroencephalogram, measures bring electrical activity
CAT scans
Generate cross-sectional images of the brain using a series of X-ray pictures
MRI
Magnetic resonance imaging, uses electromagnets and radio waves to get a 3-D structural view of the brain
F MRI & PET scan
Allowed to View the brain as it’s working, PET use diffusion of radioactive glucose
Nervous system
Has two components, central nervous system and peripheral nervous system
Central nervous system
(CNS) consist of brain and spinal cord
Peripheral nervous system
(PNS) makes up all of the nerves in the body
Afferent nerves
Nerves that soon information to the brain are sensory
Efferent nerves
Conveys information from the brain are motor
Reflexes
Quick involuntary responses to environmental stimuli
PNS can be subdivided into 2 systems
Somatic nervous system and autonomic nervous system
Somatic nervous system
Voluntary movements of skeletal muscles
Autonomic nervous system
Involuntary non-skeletal smooth muscles such as heart and stomach
Sympathetic nervous system
Process burns energy used in heightened state of physiological arousal or such as fight or flight
Fight or flight reaction
Increase in heart rate and respiration company by decreasing digestion and salivation used for survival
Parasympathetic nervous system
Responsible for conserving energy, calming
The rain is divided into three regions
The hidden brain, midbrain, forebrain
The Hindbrain
Oldest part, contains cerebellum, medulla oblongata, reticular formation, pons, thalamus
Cerebellum
Controls muscle tone and balance
Medulla oblongata
Controls involuntary actions such as breathing, the gesture, herpes, and swallowing (Basic life functions)
Reticular formation
Arousal (wakefulness and alertness)
Pons
Passing the information from brain region to another
Thalamus
Relays sensory information
The midbrain
Major components are tectum and tegmentum
Tectum
The brains “roof”
Tegmentum
The brains “floor”
The forebrain
Contains a lot of shit
Limbic system
Emotional center of the brain, composed of hippocampus amygdala and hypothalamus
Hippocampus
Processing integrating memories, it’s damaged cannot form new memories but can recall old memories
Amygdala
Expression of anger and frustration
Hypothalamus
Good picture and water balance of the body, controls hundred and sex drives, works with the sympathetic nervous system and endocrine system can be divided into lateral hip without them is in ventromedial hypothalamus