IB Psych Biological Quiz Review

Biological Quiz Review for MHS IB Psychology SL

Amygdala

processes fear, anger, aggression

Cerebellum

coordinates involuntary movement + balance and creates procedural/implicit memories

Hypothalamus

manages homeostasis: huger, thirst, body temperature; “reward center”

Medulla

controls heartbeat + breathing and helps regulate blood pressure

Motor cortex

controls voluntary movements → coordination, etc; sections that control body parts with the most precise movements (fingers, mouth, etc) are the largest

Pons

works with cerebellum to coordinate balance, posture, movements, etc; assists with regulating respiration and processing auditory information

Reticular formation

regulates level of consciousness/alertness/arousal (non-sexual, freak)

Sensory cortex

responds to sensory information; most sensitive parks = lips, fingertips, etc

Thalamus

directs sensory messages to sensory cortex and transmits replies to cerebellum → all senses except smell; “sensory switchboard”

Visual cortex

located in the occipital lobes → processes conscious experiences of visual information