Human Brain Graphic Organizer (HHAP)

Cerebrum

Largest part of the brain; responsible for higher brain functions such as thought, action, reasoning, emotions, and voluntary movement.

Gyri

Ridges on the brain’s surface that increase surface area for more neurons and higher processing power.

Frontal Lobe

Controls decision-making, problem-solving, planning, voluntary movement, and aspects of speech and emotion.

Temporal Lobe

Responsible for hearing, memory, and language comprehension.

Occipital Lobe

Processes visual information from the eyes.

Parietal Lobe

Processes sensory information such as touch, temperature, and pain; involved in spatial awareness.

Cerebellum

Coordinates balance, posture, and fine motor control.It is located at the back of the brain and plays a crucial role in motor learning and coordination.

Optic Chiasm

Point where optic nerves partially cross; important for binocular vision and visual field processing.

Optic Nerve

Transmits visual information from the retina to the brain.

Pituitary Gland

“Master gland” that secretes hormones regulating growth, metabolism, and other endocrine glands.

Olfactory Bulb

Processes information about smells.

Pons

Connects upper and lower brain regions; involved in sleep, respiration, and facial expressions.

Medulla

Controls autonomic functions such as heart rate, breathing, and blood pressure.

Midbrain

Involved in vision, hearing, motor control, and arousal.

Infundibulum (pituitary stalk)

Connects the hypothalamus to the pituitary gland, allowing hormone communication between them.

Superior Colliculi

Controls visual reflexes such as eye movement and tracking moving objects.

Inferior Colliculi

Controls auditory reflexes such as orienting toward a sound.

Pineal Gland

Produces melatonin; regulates sleep–wake cycles.

Longitudinal Fissure

Deep groove that separates the left and right cerebral hemispheres.

Corpus Callosum

Thick band of nerve fibers connecting the two cerebral hemispheres for communication.

Thalamus

Relay center for sensory information going to the cerebral cortex (except smell).

Hypothalamus

Regulates body temperature, hunger, thirst, emotions, and endocrine activity.

Transverse Fissure

Separates the cerebrum from the cerebellum.

Arbor Vitae

“Tree of life”; white matter in the cerebellum that coordinates motor control and sensory information.