Psychology Question

Question Description

Zombies have become a large part of pop culture. Along with The Walking Dead on AMC, many movies, television series, and internet videos have emerged featuring these fictional horrors. Many cities also host "zombie walks," where people dress up as zombies, form a large group, and lurch their way through metro areas. They grunt and moan, move with a dragging pull, and appear to be driven by the need to eat. They also lack "humanity" and memories of their past life as a human.

Consider the characteristics that make up a zombie.

Write 1 page on a zombie characteristic and the brain or central nervous system structure that would be responsible for this characteristic. View attachments for resources.

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NERVOUS SYSTEM Nerves: Bundles of axons Estimated 100 billion neurons in the human brain How do they work together to keep info flowing effectively? ORGANIZATION PERIPHERAL NS (includes somatic and autonomic) SOMATIC NS Nerves that connect to voluntary skeletal muscles & sensory receptors. Carry info from skin, muscles, joints to CNS & vice versa. AUTONOMIC NS Nerves that connect to heart, blood vessels, glands, smooth muscles. Automatic, involuntary actions. Ex: Digestion, heart rate, emotional arousal. Central NS (includes Spinal cord and brain) Brain Spinal cord Connects the brain to the rest of the body. Carries info from brain to peripheral nerves. Plays a critical role in body movements. (ex: paralysis resulting from spinal injury) Afferent Nerves Incoming nerves Carries info TO the CNS from periphery of body (ex: hand to spine) Efferent Nerves Carries info FROM the CNS to periphery of body (ex: brain to hand) Sympathetic Get body ready for action/exertion (mobilizes resources). Activates fightor-flight response. Parasympathetic Conserves bodily resources to save energy. (saves and stores resources) NERVOUS SYSTEM (Handout 2) (Processes info) Living tissue composed of cells. Glia & Neurons are the 2 main categories of cells making up the nervous system. Vocabulary GLIA: (Glue) Cells in the nervous system that provide support for neurons. Nourish neurons. Myelin sheath is made of certain types of Glia cells. NEURONS: Cells in the nervous system that receive, integrate, & transmit info. Soma: Cell body. Contains cell nucleus and chemical material. Dendrites: RECEIVE info. Bring info to the soma. Axon: Takes info AWAY from cell body. Transmits signals away from soma to other neurons or to muscles or glands Myelin Sheath: Insulating material that encases some axons. Speeds up transmission of signals. (Note: Multiple Sclerosis (loss of muscle control) is due to the degeneration of myelin sheaths) Terminal button: Small knobs that secrete chemicals neurotransmitters. Neurotransmitters: Chemicals that may activate neighboring neurons. Synapse: Where info is chemically transmitted from 1 neuron to another. Synaptic Cleft: Area between 1 neuron’s terminal button & the cell membrane of another neuron. Neural Transmission NEURAL TRANSMISSION involves electrical and chemical messages. NEURAL IMPULSE is the electrical message. • • Each neuron has an electric charge created by ions in the neuron. Fluid inside and outside the neuron has positively and negatively charged ions. A neuron’s resting potential is a stable negative charge when the neuron is inactive (no messages are being sent). • • When the neuron is stimulated (message is coming in) its cell membrane chambers open briefly allowing in a rush of positive ions. The neurons charge becomes less negative to positive, creating an action potential (brief shift in electrical charge traveling along the axon). The neuron’s cell membrane channels close up and cannot fire again for approx. 1 to 2 milliseconds. This “down” time is called the absolute refractory period. Vocabulary Ions: Electrically charged molecules and atoms. All-or-None Law: Neuron either fires or doesn’t. ...
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Final Answer



Zombie characteristic
Student’s Name
Institutional Affiliation



Zombie characteristic

The zombie characteristics are not the same as for human beings which are associated
with the Brainstem, Diencephalon, the Cerebrum, Medulla Oblongata, and Cerebellum.
However, they are associated with the following key feature:
They are Mobile like aspects that can move along with no or little influence on people but
technically dead; they are without a heartbeat plus other fundamental signs. Zombie remains

nkostas (29570)
University of Maryland

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